82782620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{217849}}^1$

素因数の和:217877

約数の個数: 24

約数和(自身を含む): 182994000

約数和(自身を除く): 100211380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 217849, 435698, 871396, 1089245, 2178490, 4139131, 4356980, 8278262, 16556524, 20695655, 41391310, 82782620]

約数ペア:

[(1, 82782620), (2, 41391310), (4, 20695655), (5, 16556524), (10, 8278262), (19, 4356980), (20, 4139131), (38, 2178490), (76, 1089245), (95, 871396), (190, 435698), (380, 217849)]