15140644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 29494080

約数和(自身を除く): 14353436

約数列:

[1, 2, 4, 19, 38, 41, 43, 76, 82, 86, 113, 164, 172, 226, 452, 779, 817, 1558, 1634, 1763, 2147, 3116, 3268, 3526, 4294, 4633, 4859, 7052, 8588, 9266, 9718, 18532, 19436, 33497, 66994, 88027, 92321, 133988, 176054, 184642, 199219, 352108, 369284, 398438, 796876, 3785161, 7570322, 15140644]

約数ペア:

[(1, 15140644), (2, 7570322), (4, 3785161), (19, 796876), (38, 398438), (41, 369284), (43, 352108), (76, 199219), (82, 184642), (86, 176054), (113, 133988), (164, 92321), (172, 88027), (226, 66994), (452, 33497), (779, 19436), (817, 18532), (1558, 9718), (1634, 9266), (1763, 8588), (2147, 7052), (3116, 4859), (3268, 4633), (3526, 4294)]