9990276

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 25132800

約数和(自身を除く): 15142524

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1019, 1634, 2038, 2451, 3057, 3268, 4076, 4902, 6114, 9804, 12228, 19361, 38722, 43817, 58083, 77444, 87634, 116166, 131451, 175268, 232332, 262902, 525804, 832523, 1665046, 2497569, 3330092, 4995138, 9990276]

約数ペア:

[(1, 9990276), (2, 4995138), (3, 3330092), (4, 2497569), (6, 1665046), (12, 832523), (19, 525804), (38, 262902), (43, 232332), (57, 175268), (76, 131451), (86, 116166), (114, 87634), (129, 77444), (172, 58083), (228, 43817), (258, 38722), (516, 19361), (817, 12228), (1019, 9804), (1634, 6114), (2038, 4902), (2451, 4076), (3057, 3268)]