19953405

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2423}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 36069120

約数和(自身を除く): 16115715

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2423, 2745, 7269, 8235, 12115, 21807, 36345, 65421, 109035, 147803, 327105, 443409, 739015, 1330227, 2217045, 3990681, 6651135, 19953405]

約数ペア:

[(1, 19953405), (3, 6651135), (5, 3990681), (9, 2217045), (15, 1330227), (27, 739015), (45, 443409), (61, 327105), (135, 147803), (183, 109035), (305, 65421), (549, 36345), (915, 21807), (1647, 12115), (2423, 8235), (2745, 7269)]