19400252

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 34728960

約数和(自身を除く): 15328708

約数列:

[1, 2, 4, 67, 134, 191, 268, 379, 382, 758, 764, 1516, 12797, 25393, 25594, 50786, 51188, 72389, 101572, 144778, 289556, 4850063, 9700126, 19400252]

約数ペア:

[(1, 19400252), (2, 9700126), (4, 4850063), (67, 289556), (134, 144778), (191, 101572), (268, 72389), (379, 51188), (382, 50786), (758, 25594), (764, 25393), (1516, 12797)]