818011370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{391393}}^1$

素因数の和:391430

約数の個数: 32

約数和(自身を含む): 1690822080

約数和(自身を除く): 872810710

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 391393, 782786, 1956965, 3913930, 4305323, 7436467, 8610646, 14872934, 21526615, 37182335, 43053230, 74364670, 81801137, 163602274, 409005685, 818011370]

約数ペア:

[(1, 818011370), (2, 409005685), (5, 163602274), (10, 81801137), (11, 74364670), (19, 43053230), (22, 37182335), (38, 21526615), (55, 14872934), (95, 8610646), (110, 7436467), (190, 4305323), (209, 3913930), (418, 1956965), (1045, 782786), (2090, 391393)]