18403893

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{659}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 27799200

約数和(自身を除く): 9395307

約数列:

[1, 3, 9, 29, 87, 107, 261, 321, 659, 963, 1977, 3103, 5931, 9309, 19111, 27927, 57333, 70513, 171999, 211539, 634617, 2044877, 6134631, 18403893]

約数ペア:

[(1, 18403893), (3, 6134631), (9, 2044877), (29, 634617), (87, 211539), (107, 171999), (261, 70513), (321, 57333), (659, 27927), (963, 19111), (1977, 9309), (3103, 5931)]