18228672007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{49669}}^1$

素因数の和:49835

約数の個数: 32

約数和(自身を含む): 23253507200

約数和(自身を除く): 5024835193

約数列:

[1, 7, 13, 37, 91, 109, 259, 481, 763, 1417, 3367, 4033, 9919, 28231, 49669, 52429, 347683, 367003, 645697, 1837753, 4519879, 5413921, 12864271, 23890789, 37897447, 70380973, 167235523, 200315077, 492666811, 1402205539, 2604096001, 18228672007]

約数ペア:

[(1, 18228672007), (7, 2604096001), (13, 1402205539), (37, 492666811), (91, 200315077), (109, 167235523), (259, 70380973), (481, 37897447), (763, 23890789), (1417, 12864271), (3367, 5413921), (4033, 4519879), (9919, 1837753), (28231, 645697), (49669, 367003), (52429, 347683)]