28188970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 54043200

約数和(自身を除く): 25854230

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1667, 1691, 3334, 3382, 8335, 8455, 16670, 16910, 31673, 63346, 148363, 158365, 296726, 316730, 741815, 1483630, 2818897, 5637794, 14094485, 28188970]

約数ペア:

[(1, 28188970), (2, 14094485), (5, 5637794), (10, 2818897), (19, 1483630), (38, 741815), (89, 316730), (95, 296726), (178, 158365), (190, 148363), (445, 63346), (890, 31673), (1667, 16910), (1691, 16670), (3334, 8455), (3382, 8335)]