19521723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 29489152

約数和(自身を除く): 9967429

約数列:

[1, 3, 13, 31, 39, 67, 93, 201, 241, 403, 723, 871, 1209, 2077, 2613, 3133, 6231, 7471, 9399, 16147, 22413, 27001, 48441, 81003, 97123, 209911, 291369, 500557, 629733, 1501671, 6507241, 19521723]

約数ペア:

[(1, 19521723), (3, 6507241), (13, 1501671), (31, 629733), (39, 500557), (67, 291369), (93, 209911), (201, 97123), (241, 81003), (403, 48441), (723, 27001), (871, 22413), (1209, 16147), (2077, 9399), (2613, 7471), (3133, 6231)]