19511580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 66189312

約数和(自身を除く): 46677732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 37, 44, 47, 51, 55, 60, 66, 68, 74, 85, 94, 102, 110, 111, 132, 141, 148, 165, 170, 185, 187, 188, 204, 220, 222, 235, 255, 282, 330, 340, 370, 374, 407, 444, 470, 510, 517, 555, 561, 564, 629, 660, 705, 740, 748, 799, 814, 935, 940, 1020, 1034, 1110, 1122, 1221, 1258, 1410, 1551, 1598, 1628, 1739, 1870, 1887, 2035, 2068, 2220, 2244, 2397, 2442, 2516, 2585, 2805, 2820, 3102, 3145, 3196, 3478, 3740, 3774, 3995, 4070, 4794, 4884, 5170, 5217, 5610, 6105, 6204, 6290, 6919, 6956, 7548, 7755, 7990, 8140, 8695, 8789, 9435, 9588, 10340, 10434, 11220, 11985, 12210, 12580, 13838, 15510, 15980, 17390, 17578, 18870, 19129, 20757, 20868, 23970, 24420, 26085, 26367, 27676, 29563, 31020, 34595, 34780, 35156, 37740, 38258, 41514, 43945, 47940, 52170, 52734, 57387, 59126, 69190, 76516, 83028, 87890, 88689, 95645, 103785, 104340, 105468, 114774, 118252, 131835, 138380, 147815, 175780, 177378, 191290, 207570, 229548, 263670, 286935, 295630, 325193, 354756, 382580, 415140, 443445, 527340, 573870, 591260, 650386, 886890, 975579, 1147740, 1300772, 1625965, 1773780, 1951158, 3251930, 3902316, 4877895, 6503860, 9755790, 19511580]

約数ペア:

[(1, 19511580), (2, 9755790), (3, 6503860), (4, 4877895), (5, 3902316), (6, 3251930), (10, 1951158), (11, 1773780), (12, 1625965), (15, 1300772), (17, 1147740), (20, 975579), (22, 886890), (30, 650386), (33, 591260), (34, 573870), (37, 527340), (44, 443445), (47, 415140), (51, 382580), (55, 354756), (60, 325193), (66, 295630), (68, 286935), (74, 263670), (85, 229548), (94, 207570), (102, 191290), (110, 177378), (111, 175780), (132, 147815), (141, 138380), (148, 131835), (165, 118252), (170, 114774), (185, 105468), (187, 104340), (188, 103785), (204, 95645), (220, 88689), (222, 87890), (235, 83028), (255, 76516), (282, 69190), (330, 59126), (340, 57387), (370, 52734), (374, 52170), (407, 47940), (444, 43945), (470, 41514), (510, 38258), (517, 37740), (555, 35156), (561, 34780), (564, 34595), (629, 31020), (660, 29563), (705, 27676), (740, 26367), (748, 26085), (799, 24420), (814, 23970), (935, 20868), (940, 20757), (1020, 19129), (1034, 18870), (1110, 17578), (1122, 17390), (1221, 15980), (1258, 15510), (1410, 13838), (1551, 12580), (1598, 12210), (1628, 11985), (1739, 11220), (1870, 10434), (1887, 10340), (2035, 9588), (2068, 9435), (2220, 8789), (2244, 8695), (2397, 8140), (2442, 7990), (2516, 7755), (2585, 7548), (2805, 6956), (2820, 6919), (3102, 6290), (3145, 6204), (3196, 6105), (3478, 5610), (3740, 5217), (3774, 5170), (3995, 4884), (4070, 4794)]