18062820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4363}}^1$

素因数の和:4401

約数の個数: 72

約数和(自身を含む): 57185856

約数和(自身を除く): 39123036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4363, 8726, 13089, 17452, 21815, 26178, 39267, 43630, 52356, 65445, 78534, 87260, 100349, 130890, 157068, 196335, 200698, 261780, 301047, 392670, 401396, 501745, 602094, 785340, 903141, 1003490, 1204188, 1505235, 1806282, 2006980, 3010470, 3612564, 4515705, 6020940, 9031410, 18062820]

約数ペア:

[(1, 18062820), (2, 9031410), (3, 6020940), (4, 4515705), (5, 3612564), (6, 3010470), (9, 2006980), (10, 1806282), (12, 1505235), (15, 1204188), (18, 1003490), (20, 903141), (23, 785340), (30, 602094), (36, 501745), (45, 401396), (46, 392670), (60, 301047), (69, 261780), (90, 200698), (92, 196335), (115, 157068), (138, 130890), (180, 100349), (207, 87260), (230, 78534), (276, 65445), (345, 52356), (414, 43630), (460, 39267), (690, 26178), (828, 21815), (1035, 17452), (1380, 13089), (2070, 8726), (4140, 4363)]