19528977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 10469103

約数列:

[1, 3, 13, 29, 31, 39, 87, 93, 377, 403, 557, 899, 1131, 1209, 1671, 2697, 7241, 11687, 16153, 17267, 21723, 35061, 48459, 51801, 209989, 224471, 500743, 629967, 673413, 1502229, 6509659, 19528977]

約数ペア:

[(1, 19528977), (3, 6509659), (13, 1502229), (29, 673413), (31, 629967), (39, 500743), (87, 224471), (93, 209989), (377, 51801), (403, 48459), (557, 35061), (899, 21723), (1131, 17267), (1209, 16153), (1671, 11687), (2697, 7241)]