18999420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2617}}^1$

素因数の和:2651

約数の個数: 72

約数和(自身を含む): 58496592

約数和(自身を除く): 39497172

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2617, 3630, 5234, 7260, 7851, 10468, 13085, 15702, 26170, 28787, 31404, 39255, 52340, 57574, 78510, 86361, 115148, 143935, 157020, 172722, 287870, 316657, 345444, 431805, 575740, 633314, 863610, 949971, 1266628, 1583285, 1727220, 1899942, 3166570, 3799884, 4749855, 6333140, 9499710, 18999420]

約数ペア:

[(1, 18999420), (2, 9499710), (3, 6333140), (4, 4749855), (5, 3799884), (6, 3166570), (10, 1899942), (11, 1727220), (12, 1583285), (15, 1266628), (20, 949971), (22, 863610), (30, 633314), (33, 575740), (44, 431805), (55, 345444), (60, 316657), (66, 287870), (110, 172722), (121, 157020), (132, 143935), (165, 115148), (220, 86361), (242, 78510), (330, 57574), (363, 52340), (484, 39255), (605, 31404), (660, 28787), (726, 26170), (1210, 15702), (1452, 13085), (1815, 10468), (2420, 7851), (2617, 7260), (3630, 5234)]