18915090560

素因数分解:

$2^7\times 5^1\times {\mathrm{29554829}}^1$

素因数の和:29554848

約数の個数: 32

約数和(自身を含む): 45218889900

約数和(自身を除く): 26303799340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29554829, 59109658, 118219316, 147774145, 236438632, 295548290, 472877264, 591096580, 945754528, 1182193160, 1891509056, 2364386320, 3783018112, 4728772640, 9457545280, 18915090560]

約数ペア:

[(1, 18915090560), (2, 9457545280), (4, 4728772640), (5, 3783018112), (8, 2364386320), (10, 1891509056), (16, 1182193160), (20, 945754528), (32, 591096580), (40, 472877264), (64, 295548290), (80, 236438632), (128, 147774145), (160, 118219316), (320, 59109658), (640, 29554829)]