18290545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 27498240

約数和(自身を除く): 9207695

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 659, 793, 2135, 3295, 3965, 4613, 5551, 8567, 23065, 27755, 40199, 42835, 59969, 200995, 281393, 299845, 522587, 1406965, 2612935, 3658109, 18290545]

約数ペア:

[(1, 18290545), (5, 3658109), (7, 2612935), (13, 1406965), (35, 522587), (61, 299845), (65, 281393), (91, 200995), (305, 59969), (427, 42835), (455, 40199), (659, 27755), (793, 23065), (2135, 8567), (3295, 5551), (3965, 4613)]