18901124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{983}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 20773756

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 983, 1012, 1748, 1966, 3932, 4807, 9614, 10813, 18677, 19228, 21626, 22609, 37354, 43252, 45218, 74708, 90436, 205447, 248699, 410894, 429571, 497398, 821788, 859142, 994796, 1718284, 4725281, 9450562, 18901124]

約数ペア:

[(1, 18901124), (2, 9450562), (4, 4725281), (11, 1718284), (19, 994796), (22, 859142), (23, 821788), (38, 497398), (44, 429571), (46, 410894), (76, 248699), (92, 205447), (209, 90436), (253, 74708), (418, 45218), (437, 43252), (506, 37354), (836, 22609), (874, 21626), (983, 19228), (1012, 18677), (1748, 10813), (1966, 9614), (3932, 4807)]