19662838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13867274

約数列:

[1, 2, 13, 23, 26, 46, 131, 251, 262, 299, 502, 598, 1703, 3013, 3263, 3406, 5773, 6026, 6526, 11546, 32881, 39169, 65762, 75049, 78338, 150098, 427453, 756263, 854906, 1512526, 9831419, 19662838]

約数ペア:

[(1, 19662838), (2, 9831419), (13, 1512526), (23, 854906), (26, 756263), (46, 427453), (131, 150098), (251, 78338), (262, 75049), (299, 65762), (502, 39169), (598, 32881), (1703, 11546), (3013, 6526), (3263, 6026), (3406, 5773)]