19700583

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 31030272

約数和(自身を除く): 11329689

約数列:

[1, 3, 7, 21, 71, 73, 181, 213, 219, 497, 511, 543, 1267, 1491, 1533, 3801, 5183, 12851, 13213, 15549, 36281, 38553, 39639, 89957, 92491, 108843, 269871, 277473, 938123, 2814369, 6566861, 19700583]

約数ペア:

[(1, 19700583), (3, 6566861), (7, 2814369), (21, 938123), (71, 277473), (73, 269871), (181, 108843), (213, 92491), (219, 89957), (497, 39639), (511, 38553), (543, 36281), (1267, 15549), (1491, 13213), (1533, 12851), (3801, 5183)]