19390960

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6551}}^1$

素因数の和:6601

約数の個数: 40

約数和(自身を含む): 46309536

約数和(自身を除く): 26918576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6551, 13102, 26204, 32755, 52408, 65510, 104816, 131020, 242387, 262040, 484774, 524080, 969548, 1211935, 1939096, 2423870, 3878192, 4847740, 9695480, 19390960]

約数ペア:

[(1, 19390960), (2, 9695480), (4, 4847740), (5, 3878192), (8, 2423870), (10, 1939096), (16, 1211935), (20, 969548), (37, 524080), (40, 484774), (74, 262040), (80, 242387), (148, 131020), (185, 104816), (296, 65510), (370, 52408), (592, 32755), (740, 26204), (1480, 13102), (2960, 6551)]