18418620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 58988160

約数和(自身を除く): 40569540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 59, 60, 66, 86, 110, 118, 121, 129, 132, 165, 172, 177, 215, 220, 236, 242, 258, 295, 330, 354, 363, 430, 473, 484, 516, 590, 605, 645, 649, 660, 708, 726, 860, 885, 946, 1180, 1210, 1290, 1298, 1419, 1452, 1770, 1815, 1892, 1947, 2365, 2420, 2537, 2580, 2596, 2838, 3245, 3540, 3630, 3894, 4730, 5074, 5203, 5676, 6490, 7095, 7139, 7260, 7611, 7788, 9460, 9735, 10148, 10406, 12685, 12980, 14190, 14278, 15222, 15609, 19470, 20812, 21417, 25370, 26015, 27907, 28380, 28556, 30444, 31218, 35695, 38055, 38940, 42834, 50740, 52030, 55814, 62436, 71390, 76110, 78045, 83721, 85668, 104060, 107085, 111628, 139535, 142780, 152220, 156090, 167442, 214170, 279070, 306977, 312180, 334884, 418605, 428340, 558140, 613954, 837210, 920931, 1227908, 1534885, 1674420, 1841862, 3069770, 3683724, 4604655, 6139540, 9209310, 18418620]

約数ペア:

[(1, 18418620), (2, 9209310), (3, 6139540), (4, 4604655), (5, 3683724), (6, 3069770), (10, 1841862), (11, 1674420), (12, 1534885), (15, 1227908), (20, 920931), (22, 837210), (30, 613954), (33, 558140), (43, 428340), (44, 418605), (55, 334884), (59, 312180), (60, 306977), (66, 279070), (86, 214170), (110, 167442), (118, 156090), (121, 152220), (129, 142780), (132, 139535), (165, 111628), (172, 107085), (177, 104060), (215, 85668), (220, 83721), (236, 78045), (242, 76110), (258, 71390), (295, 62436), (330, 55814), (354, 52030), (363, 50740), (430, 42834), (473, 38940), (484, 38055), (516, 35695), (590, 31218), (605, 30444), (645, 28556), (649, 28380), (660, 27907), (708, 26015), (726, 25370), (860, 21417), (885, 20812), (946, 19470), (1180, 15609), (1210, 15222), (1290, 14278), (1298, 14190), (1419, 12980), (1452, 12685), (1770, 10406), (1815, 10148), (1892, 9735), (1947, 9460), (2365, 7788), (2420, 7611), (2537, 7260), (2580, 7139), (2596, 7095), (2838, 6490), (3245, 5676), (3540, 5203), (3630, 5074), (3894, 4730)]