18489930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 46891008

約数和(自身を除く): 28401078

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 127, 138, 211, 230, 254, 345, 381, 422, 633, 635, 690, 762, 1055, 1266, 1270, 1905, 2110, 2921, 3165, 3810, 4853, 5842, 6330, 8763, 9706, 14559, 14605, 17526, 24265, 26797, 29118, 29210, 43815, 48530, 53594, 72795, 80391, 87630, 133985, 145590, 160782, 267970, 401955, 616331, 803910, 1232662, 1848993, 3081655, 3697986, 6163310, 9244965, 18489930]

約数ペア:

[(1, 18489930), (2, 9244965), (3, 6163310), (5, 3697986), (6, 3081655), (10, 1848993), (15, 1232662), (23, 803910), (30, 616331), (46, 401955), (69, 267970), (115, 160782), (127, 145590), (138, 133985), (211, 87630), (230, 80391), (254, 72795), (345, 53594), (381, 48530), (422, 43815), (633, 29210), (635, 29118), (690, 26797), (762, 24265), (1055, 17526), (1266, 14605), (1270, 14559), (1905, 9706), (2110, 8763), (2921, 6330), (3165, 5842), (3810, 4853)]