19973608503

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{46757}}^1$

素因数の和:46975

約数の個数: 32

約数和(自身を含む): 28656294912

約数和(自身を除く): 8682686409

約数列:

[1, 3, 23, 41, 69, 123, 151, 453, 943, 2829, 3473, 6191, 10419, 18573, 46757, 140271, 142393, 427179, 1075411, 1917037, 3226233, 5751111, 7060307, 21180921, 44091851, 132275553, 162387061, 289472587, 487161183, 868417761, 6657869501, 19973608503]

約数ペア:

[(1, 19973608503), (3, 6657869501), (23, 868417761), (41, 487161183), (69, 289472587), (123, 162387061), (151, 132275553), (453, 44091851), (943, 21180921), (2829, 7060307), (3473, 5751111), (6191, 3226233), (10419, 1917037), (18573, 1075411), (46757, 427179), (140271, 142393)]