18232940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 23861140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 463, 716, 895, 926, 1790, 1852, 1969, 2315, 3580, 3938, 4630, 5093, 7876, 9260, 9845, 10186, 19690, 20372, 25465, 39380, 50930, 82877, 101860, 165754, 331508, 414385, 828770, 911647, 1657540, 1823294, 3646588, 4558235, 9116470, 18232940]

約数ペア:

[(1, 18232940), (2, 9116470), (4, 4558235), (5, 3646588), (10, 1823294), (11, 1657540), (20, 911647), (22, 828770), (44, 414385), (55, 331508), (110, 165754), (179, 101860), (220, 82877), (358, 50930), (463, 39380), (716, 25465), (895, 20372), (926, 19690), (1790, 10186), (1852, 9845), (1969, 9260), (2315, 7876), (3580, 5093), (3938, 4630)]