18239008

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 19186016

約数列:

[1, 2, 4, 8, 16, 32, 47, 67, 94, 134, 181, 188, 268, 362, 376, 536, 724, 752, 1072, 1448, 1504, 2144, 2896, 3149, 5792, 6298, 8507, 12127, 12596, 17014, 24254, 25192, 34028, 48508, 50384, 68056, 97016, 100768, 136112, 194032, 272224, 388064, 569969, 1139938, 2279876, 4559752, 9119504, 18239008]

約数ペア:

[(1, 18239008), (2, 9119504), (4, 4559752), (8, 2279876), (16, 1139938), (32, 569969), (47, 388064), (67, 272224), (94, 194032), (134, 136112), (181, 100768), (188, 97016), (268, 68056), (362, 50384), (376, 48508), (536, 34028), (724, 25192), (752, 24254), (1072, 17014), (1448, 12596), (1504, 12127), (2144, 8507), (2896, 6298), (3149, 5792)]