20171901594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{644923}}^1$

素因数の和:645342

約数の個数: 32

約数和(自身を含む): 43555587264

約数和(自身を除く): 23383685670

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 401, 802, 1203, 2406, 5213, 10426, 15639, 31278, 644923, 1289846, 1934769, 3869538, 8383999, 16767998, 25151997, 50303994, 258614123, 517228246, 775842369, 1551684738, 3361983599, 6723967198, 10085950797, 20171901594]

約数ペア:

[(1, 20171901594), (2, 10085950797), (3, 6723967198), (6, 3361983599), (13, 1551684738), (26, 775842369), (39, 517228246), (78, 258614123), (401, 50303994), (802, 25151997), (1203, 16767998), (2406, 8383999), (5213, 3869538), (10426, 1934769), (15639, 1289846), (31278, 644923)]