18358120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3793}}^1$

素因数の和:3826

約数の個数: 48

約数和(自身を含む): 45414180

約数和(自身を除く): 27056060

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3793, 4840, 7586, 15172, 18965, 30344, 37930, 41723, 75860, 83446, 151720, 166892, 208615, 333784, 417230, 458953, 834460, 917906, 1668920, 1835812, 2294765, 3671624, 4589530, 9179060, 18358120]

約数ペア:

[(1, 18358120), (2, 9179060), (4, 4589530), (5, 3671624), (8, 2294765), (10, 1835812), (11, 1668920), (20, 917906), (22, 834460), (40, 458953), (44, 417230), (55, 333784), (88, 208615), (110, 166892), (121, 151720), (220, 83446), (242, 75860), (440, 41723), (484, 37930), (605, 30344), (968, 18965), (1210, 15172), (2420, 7586), (3793, 4840)]