19257507

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 31391360

約数和(自身を除く): 12133853

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 97, 129, 171, 243, 291, 387, 513, 817, 873, 1161, 1539, 1843, 2451, 2619, 3483, 4171, 4617, 5529, 7353, 7857, 10449, 12513, 16587, 22059, 23571, 37539, 49761, 66177, 79249, 112617, 149283, 198531, 237747, 337851, 447849, 713241, 1013553, 2139723, 6419169, 19257507]

約数ペア:

[(1, 19257507), (3, 6419169), (9, 2139723), (19, 1013553), (27, 713241), (43, 447849), (57, 337851), (81, 237747), (97, 198531), (129, 149283), (171, 112617), (243, 79249), (291, 66177), (387, 49761), (513, 37539), (817, 23571), (873, 22059), (1161, 16587), (1539, 12513), (1843, 10449), (2451, 7857), (2619, 7353), (3483, 5529), (4171, 4617)]