19881282

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{70501}}^1$

素因数の和:70553

約数の個数: 16

約数和(自身を含む): 40609152

約数和(自身を除く): 20727870

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 70501, 141002, 211503, 423006, 3313547, 6627094, 9940641, 19881282]

約数ペア:

[(1, 19881282), (2, 9940641), (3, 6627094), (6, 3313547), (47, 423006), (94, 211503), (141, 141002), (282, 70501)]