18875056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2141}}^1$

素因数の和:2197

約数の個数: 40

約数和(自身を含む): 39841200

約数和(自身を除く): 20966144

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2141, 2204, 4282, 4408, 8564, 8816, 17128, 34256, 40679, 62089, 81358, 124178, 162716, 248356, 325432, 496712, 650864, 993424, 1179691, 2359382, 4718764, 9437528, 18875056]

約数ペア:

[(1, 18875056), (2, 9437528), (4, 4718764), (8, 2359382), (16, 1179691), (19, 993424), (29, 650864), (38, 496712), (58, 325432), (76, 248356), (116, 162716), (152, 124178), (232, 81358), (304, 62089), (464, 40679), (551, 34256), (1102, 17128), (2141, 8816), (2204, 8564), (4282, 4408)]