18806260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 43710912

約数和(自身を除く): 24904652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1171, 1460, 1606, 2342, 3212, 4015, 4684, 5855, 8030, 11710, 12881, 16060, 23420, 25762, 51524, 64405, 85483, 128810, 170966, 257620, 341932, 427415, 854830, 940313, 1709660, 1880626, 3761252, 4701565, 9403130, 18806260]

約数ペア:

[(1, 18806260), (2, 9403130), (4, 4701565), (5, 3761252), (10, 1880626), (11, 1709660), (20, 940313), (22, 854830), (44, 427415), (55, 341932), (73, 257620), (110, 170966), (146, 128810), (220, 85483), (292, 64405), (365, 51524), (730, 25762), (803, 23420), (1171, 16060), (1460, 12881), (1606, 11710), (2342, 8030), (3212, 5855), (4015, 4684)]