18820035

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 17032509

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 607, 689, 795, 1821, 2067, 2385, 3035, 3445, 5463, 6201, 7891, 9105, 10335, 23673, 27315, 31005, 32171, 39455, 71019, 96513, 118365, 160855, 289539, 355095, 418223, 482565, 1254669, 1447695, 2091115, 3764007, 6273345, 18820035]

約数ペア:

[(1, 18820035), (3, 6273345), (5, 3764007), (9, 2091115), (13, 1447695), (15, 1254669), (39, 482565), (45, 418223), (53, 355095), (65, 289539), (117, 160855), (159, 118365), (195, 96513), (265, 71019), (477, 39455), (585, 32171), (607, 31005), (689, 27315), (795, 23673), (1821, 10335), (2067, 9105), (2385, 7891), (3035, 6201), (3445, 5463)]