19993822

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{829}}^1$

素因数の和:1251

約数の個数: 16

約数和(自身を含む): 31075200

約数和(自身を除く): 11081378

約数列:

[1, 2, 31, 62, 389, 778, 829, 1658, 12059, 24118, 25699, 51398, 322481, 644962, 9996911, 19993822]

約数ペア:

[(1, 19993822), (2, 9996911), (31, 644962), (62, 322481), (389, 51398), (778, 25699), (829, 24118), (1658, 12059)]