18181504

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 40698000

約数和(自身を除く): 22516496

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 349, 352, 407, 592, 698, 704, 814, 1184, 1396, 1408, 1628, 2368, 2792, 3256, 3839, 4736, 5584, 6512, 7678, 11168, 12913, 13024, 15356, 22336, 25826, 26048, 30712, 44672, 51652, 52096, 61424, 103304, 122848, 142043, 206608, 245696, 284086, 413216, 491392, 568172, 826432, 1136344, 1652864, 2272688, 4545376, 9090752, 18181504]

約数ペア:

[(1, 18181504), (2, 9090752), (4, 4545376), (8, 2272688), (11, 1652864), (16, 1136344), (22, 826432), (32, 568172), (37, 491392), (44, 413216), (64, 284086), (74, 245696), (88, 206608), (128, 142043), (148, 122848), (176, 103304), (296, 61424), (349, 52096), (352, 51652), (407, 44672), (592, 30712), (698, 26048), (704, 25826), (814, 22336), (1184, 15356), (1396, 13024), (1408, 12913), (1628, 11168), (2368, 7678), (2792, 6512), (3256, 5584), (3839, 4736)]