19853808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31817}}^1$

素因数の和:31841

約数の個数: 40

約数和(自身を含む): 55236048

約数和(自身を除く): 35382240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31817, 63634, 95451, 127268, 190902, 254536, 381804, 413621, 509072, 763608, 827242, 1240863, 1527216, 1654484, 2481726, 3308968, 4963452, 6617936, 9926904, 19853808]

約数ペア:

[(1, 19853808), (2, 9926904), (3, 6617936), (4, 4963452), (6, 3308968), (8, 2481726), (12, 1654484), (13, 1527216), (16, 1240863), (24, 827242), (26, 763608), (39, 509072), (48, 413621), (52, 381804), (78, 254536), (104, 190902), (156, 127268), (208, 95451), (312, 63634), (624, 31817)]