18465780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13381}}^1$

素因数の和:13416

約数の個数: 48

約数和(自身を含む): 53956224

約数和(自身を除く): 35490444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13381, 26762, 40143, 53524, 66905, 80286, 133810, 160572, 200715, 267620, 307763, 401430, 615526, 802860, 923289, 1231052, 1538815, 1846578, 3077630, 3693156, 4616445, 6155260, 9232890, 18465780]

約数ペア:

[(1, 18465780), (2, 9232890), (3, 6155260), (4, 4616445), (5, 3693156), (6, 3077630), (10, 1846578), (12, 1538815), (15, 1231052), (20, 923289), (23, 802860), (30, 615526), (46, 401430), (60, 307763), (69, 267620), (92, 200715), (115, 160572), (138, 133810), (230, 80286), (276, 66905), (345, 53524), (460, 40143), (690, 26762), (1380, 13381)]