18973020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46345380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 19, 20, 22, 30, 33, 34, 38, 44, 51, 55, 57, 60, 66, 68, 76, 85, 89, 95, 102, 110, 114, 132, 165, 170, 178, 187, 190, 204, 209, 220, 228, 255, 267, 285, 323, 330, 340, 356, 374, 380, 418, 445, 510, 534, 561, 570, 627, 646, 660, 748, 836, 890, 935, 969, 979, 1020, 1045, 1068, 1122, 1140, 1254, 1292, 1335, 1513, 1615, 1691, 1780, 1870, 1938, 1958, 2090, 2244, 2508, 2670, 2805, 2937, 3026, 3135, 3230, 3382, 3553, 3740, 3876, 3916, 4180, 4539, 4845, 4895, 5073, 5340, 5610, 5874, 6052, 6270, 6460, 6764, 7106, 7565, 8455, 9078, 9690, 9790, 10146, 10659, 11220, 11748, 12540, 14212, 14685, 15130, 16643, 16910, 17765, 18156, 18601, 19380, 19580, 20292, 21318, 22695, 25365, 28747, 29370, 30260, 33286, 33820, 35530, 37202, 42636, 45390, 49929, 50730, 53295, 55803, 57494, 58740, 66572, 71060, 74404, 83215, 86241, 90780, 93005, 99858, 101460, 106590, 111606, 114988, 143735, 166430, 172482, 186010, 199716, 213180, 223212, 249645, 279015, 287470, 316217, 332860, 344964, 372020, 431205, 499290, 558030, 574940, 632434, 862410, 948651, 998580, 1116060, 1264868, 1581085, 1724820, 1897302, 3162170, 3794604, 4743255, 6324340, 9486510, 18973020]

約数ペア:

[(1, 18973020), (2, 9486510), (3, 6324340), (4, 4743255), (5, 3794604), (6, 3162170), (10, 1897302), (11, 1724820), (12, 1581085), (15, 1264868), (17, 1116060), (19, 998580), (20, 948651), (22, 862410), (30, 632434), (33, 574940), (34, 558030), (38, 499290), (44, 431205), (51, 372020), (55, 344964), (57, 332860), (60, 316217), (66, 287470), (68, 279015), (76, 249645), (85, 223212), (89, 213180), (95, 199716), (102, 186010), (110, 172482), (114, 166430), (132, 143735), (165, 114988), (170, 111606), (178, 106590), (187, 101460), (190, 99858), (204, 93005), (209, 90780), (220, 86241), (228, 83215), (255, 74404), (267, 71060), (285, 66572), (323, 58740), (330, 57494), (340, 55803), (356, 53295), (374, 50730), (380, 49929), (418, 45390), (445, 42636), (510, 37202), (534, 35530), (561, 33820), (570, 33286), (627, 30260), (646, 29370), (660, 28747), (748, 25365), (836, 22695), (890, 21318), (935, 20292), (969, 19580), (979, 19380), (1020, 18601), (1045, 18156), (1068, 17765), (1122, 16910), (1140, 16643), (1254, 15130), (1292, 14685), (1335, 14212), (1513, 12540), (1615, 11748), (1691, 11220), (1780, 10659), (1870, 10146), (1938, 9790), (1958, 9690), (2090, 9078), (2244, 8455), (2508, 7565), (2670, 7106), (2805, 6764), (2937, 6460), (3026, 6270), (3135, 6052), (3230, 5874), (3382, 5610), (3553, 5340), (3740, 5073), (3876, 4895), (3916, 4845), (4180, 4539)]