18007497

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 29286400

約数和(自身を除く): 11278903

約数列:

[1, 3, 9, 19, 31, 43, 57, 79, 93, 129, 171, 237, 279, 387, 589, 711, 817, 1333, 1501, 1767, 2449, 2451, 3397, 3999, 4503, 5301, 7347, 7353, 10191, 11997, 13509, 22041, 25327, 30573, 46531, 64543, 75981, 105307, 139593, 193629, 227943, 315921, 418779, 580887, 947763, 2000833, 6002499, 18007497]

約数ペア:

[(1, 18007497), (3, 6002499), (9, 2000833), (19, 947763), (31, 580887), (43, 418779), (57, 315921), (79, 227943), (93, 193629), (129, 139593), (171, 105307), (237, 75981), (279, 64543), (387, 46531), (589, 30573), (711, 25327), (817, 22041), (1333, 13509), (1501, 11997), (1767, 10191), (2449, 7353), (2451, 7347), (3397, 5301), (3999, 4503)]