19881078

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1412

約数の個数: 32

約数和(自身を含む): 45576960

約数和(自身を除く): 25695882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 571, 829, 1142, 1658, 1713, 2487, 3426, 3997, 4974, 5803, 7994, 11606, 11991, 17409, 23982, 34818, 473359, 946718, 1420077, 2840154, 3313513, 6627026, 9940539, 19881078]

約数ペア:

[(1, 19881078), (2, 9940539), (3, 6627026), (6, 3313513), (7, 2840154), (14, 1420077), (21, 946718), (42, 473359), (571, 34818), (829, 23982), (1142, 17409), (1658, 11991), (1713, 11606), (2487, 7994), (3426, 5803), (3997, 4974)]