19005123140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55897421}}^1$

素因数の和:55897447

約数の個数: 24

約数和(自身を含む): 42258451032

約数和(自身を除く): 23253327892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55897421, 111794842, 223589684, 279487105, 558974210, 950256157, 1117948420, 1900512314, 3801024628, 4751280785, 9502561570, 19005123140]

約数ペア:

[(1, 19005123140), (2, 9502561570), (4, 4751280785), (5, 3801024628), (10, 1900512314), (17, 1117948420), (20, 950256157), (34, 558974210), (68, 279487105), (85, 223589684), (170, 111794842), (340, 55897421)]