18941340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2609}}^1$

素因数の和:2643

約数の個数: 72

約数和(自身を含む): 58317840

約数和(自身を除く): 39376500

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, 2609, 3630, 5218, 7260, 7827, 10436, 13045, 15654, 26090, 28699, 31308, 39135, 52180, 57398, 78270, 86097, 114796, 143495, 156540, 172194, 286990, 315689, 344388, 430485, 573980, 631378, 860970, 947067, 1262756, 1578445, 1721940, 1894134, 3156890, 3788268, 4735335, 6313780, 9470670, 18941340]

約数ペア:

[(1, 18941340), (2, 9470670), (3, 6313780), (4, 4735335), (5, 3788268), (6, 3156890), (10, 1894134), (11, 1721940), (12, 1578445), (15, 1262756), (20, 947067), (22, 860970), (30, 631378), (33, 573980), (44, 430485), (55, 344388), (60, 315689), (66, 286990), (110, 172194), (121, 156540), (132, 143495), (165, 114796), (220, 86097), (242, 78270), (330, 57398), (363, 52180), (484, 39135), (605, 31308), (660, 28699), (726, 26090), (1210, 15654), (1452, 13045), (1815, 10436), (2420, 7827), (2609, 7260), (3630, 5218)]