19894992105

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{113819}}^1$

素因数の和:114141

約数の個数: 32

約数和(自身を含む): 32692746240

約数和(自身を除く): 12797754135

約数列:

[1, 3, 5, 15, 43, 129, 215, 271, 645, 813, 1355, 4065, 11653, 34959, 58265, 113819, 174795, 341457, 569095, 1707285, 4894217, 14682651, 24471085, 30844949, 73413255, 92534847, 154224745, 462674235, 1326332807, 3978998421, 6631664035, 19894992105]

約数ペア:

[(1, 19894992105), (3, 6631664035), (5, 3978998421), (15, 1326332807), (43, 462674235), (129, 154224745), (215, 92534847), (271, 73413255), (645, 30844949), (813, 24471085), (1355, 14682651), (4065, 4894217), (11653, 1707285), (34959, 569095), (58265, 341457), (113819, 174795)]