18214702960

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{741641}}^1$

素因数の和:741961

約数の個数: 40

約数和(自身を含む): 42487186896

約数和(自身を除く): 24272483936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 24560, 741641, 1483282, 2966564, 3708205, 5933128, 7416410, 11866256, 14832820, 29665640, 59331280, 227683787, 455367574, 910735148, 1138418935, 1821470296, 2276837870, 3642940592, 4553675740, 9107351480, 18214702960]

約数ペア:

[(1, 18214702960), (2, 9107351480), (4, 4553675740), (5, 3642940592), (8, 2276837870), (10, 1821470296), (16, 1138418935), (20, 910735148), (40, 455367574), (80, 227683787), (307, 59331280), (614, 29665640), (1228, 14832820), (1535, 11866256), (2456, 7416410), (3070, 5933128), (4912, 3708205), (6140, 2966564), (12280, 1483282), (24560, 741641)]