18993370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1427}}^1$

素因数の和:1467

約数の個数: 32

約数和(自身を含む): 37630656

約数和(自身を除く): 18637286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1427, 2662, 2854, 6655, 7135, 13310, 14270, 15697, 31394, 78485, 156970, 172667, 345334, 863335, 1726670, 1899337, 3798674, 9496685, 18993370]

約数ペア:

[(1, 18993370), (2, 9496685), (5, 3798674), (10, 1899337), (11, 1726670), (22, 863335), (55, 345334), (110, 172667), (121, 156970), (242, 78485), (605, 31394), (1210, 15697), (1331, 14270), (1427, 13310), (2662, 7135), (2854, 6655)]