19801587656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{130273603}}^1$

素因数の和:130273628

約数の個数: 16

約数和(自身を含む): 39082081200

約数和(自身を除く): 19280493544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 130273603, 260547206, 521094412, 1042188824, 2475198457, 4950396914, 9900793828, 19801587656]

約数ペア:

[(1, 19801587656), (2, 9900793828), (4, 4950396914), (8, 2475198457), (19, 1042188824), (38, 521094412), (76, 260547206), (152, 130273603)]