18928608

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^2$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 51739128

約数和(自身を除く): 32810520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 73, 74, 96, 111, 146, 148, 219, 222, 292, 296, 438, 444, 584, 592, 876, 888, 1168, 1184, 1752, 1776, 2336, 2701, 3504, 3552, 5329, 5402, 7008, 8103, 10658, 10804, 15987, 16206, 21316, 21608, 31974, 32412, 42632, 43216, 63948, 64824, 85264, 86432, 127896, 129648, 170528, 197173, 255792, 259296, 394346, 511584, 591519, 788692, 1183038, 1577384, 2366076, 3154768, 4732152, 6309536, 9464304, 18928608]

約数ペア:

[(1, 18928608), (2, 9464304), (3, 6309536), (4, 4732152), (6, 3154768), (8, 2366076), (12, 1577384), (16, 1183038), (24, 788692), (32, 591519), (37, 511584), (48, 394346), (73, 259296), (74, 255792), (96, 197173), (111, 170528), (146, 129648), (148, 127896), (219, 86432), (222, 85264), (292, 64824), (296, 63948), (438, 43216), (444, 42632), (584, 32412), (592, 31974), (876, 21608), (888, 21316), (1168, 16206), (1184, 15987), (1752, 10804), (1776, 10658), (2336, 8103), (2701, 7008), (3504, 5402), (3552, 5329)]