18928164

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 27036636

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 89, 111, 148, 178, 222, 267, 356, 444, 479, 534, 958, 1068, 1437, 1916, 2874, 3293, 5748, 6586, 9879, 13172, 17723, 19758, 35446, 39516, 42631, 53169, 70892, 85262, 106338, 127893, 170524, 212676, 255786, 511572, 1577347, 3154694, 4732041, 6309388, 9464082, 18928164]

約数ペア:

[(1, 18928164), (2, 9464082), (3, 6309388), (4, 4732041), (6, 3154694), (12, 1577347), (37, 511572), (74, 255786), (89, 212676), (111, 170524), (148, 127893), (178, 106338), (222, 85262), (267, 70892), (356, 53169), (444, 42631), (479, 39516), (534, 35446), (958, 19758), (1068, 17723), (1437, 13172), (1916, 9879), (2874, 6586), (3293, 5748)]