18213856

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 39085200

約数和(自身を除く): 20871344

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1033, 1102, 2066, 2204, 4132, 4408, 8264, 8816, 16528, 17632, 19627, 29957, 33056, 39254, 59914, 78508, 119828, 157016, 239656, 314032, 479312, 569183, 628064, 958624, 1138366, 2276732, 4553464, 9106928, 18213856]

約数ペア:

[(1, 18213856), (2, 9106928), (4, 4553464), (8, 2276732), (16, 1138366), (19, 958624), (29, 628064), (32, 569183), (38, 479312), (58, 314032), (76, 239656), (116, 157016), (152, 119828), (232, 78508), (304, 59914), (464, 39254), (551, 33056), (608, 29957), (928, 19627), (1033, 17632), (1102, 16528), (2066, 8816), (2204, 8264), (4132, 4408)]