18490390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4729}}^1$

素因数の和:4776

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 18290090

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 4729, 9458, 23645, 47290, 80393, 108767, 160786, 217534, 401965, 543835, 803930, 1087670, 1849039, 3698078, 9245195, 18490390]

約数ペア:

[(1, 18490390), (2, 9245195), (5, 3698078), (10, 1849039), (17, 1087670), (23, 803930), (34, 543835), (46, 401965), (85, 217534), (115, 160786), (170, 108767), (230, 80393), (391, 47290), (782, 23645), (1955, 9458), (3910, 4729)]