19918565570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2340607}}^1$

素因数の和:2340674

約数の個数: 32

約数和(自身を含む): 38423420928

約数和(自身を除く): 18504855358

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 4255, 8510, 2340607, 4681214, 11703035, 23406070, 53833961, 86602459, 107667922, 173204918, 269169805, 433012295, 538339610, 866024590, 1991856557, 3983713114, 9959282785, 19918565570]

約数ペア:

[(1, 19918565570), (2, 9959282785), (5, 3983713114), (10, 1991856557), (23, 866024590), (37, 538339610), (46, 433012295), (74, 269169805), (115, 173204918), (185, 107667922), (230, 86602459), (370, 53833961), (851, 23406070), (1702, 11703035), (4255, 4681214), (8510, 2340607)]