18868676

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 35118720

約数和(自身を除く): 16250044

約数列:

[1, 2, 4, 29, 58, 71, 79, 116, 142, 158, 284, 316, 841, 1682, 2059, 2291, 3364, 4118, 4582, 5609, 8236, 9164, 11218, 22436, 59711, 66439, 119422, 132878, 162661, 238844, 265756, 325322, 650644, 4717169, 9434338, 18868676]

約数ペア:

[(1, 18868676), (2, 9434338), (4, 4717169), (29, 650644), (58, 325322), (71, 265756), (79, 238844), (116, 162661), (142, 132878), (158, 119422), (284, 66439), (316, 59711), (841, 22436), (1682, 11218), (2059, 9164), (2291, 8236), (3364, 5609), (4118, 4582)]