19499490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{216661}}^1$

素因数の和:216674

約数の個数: 24

約数和(自身を含む): 50698908

約数和(自身を除く): 31199418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 216661, 433322, 649983, 1083305, 1299966, 1949949, 2166610, 3249915, 3899898, 6499830, 9749745, 19499490]

約数ペア:

[(1, 19499490), (2, 9749745), (3, 6499830), (5, 3899898), (6, 3249915), (9, 2166610), (10, 1949949), (15, 1299966), (18, 1083305), (30, 649983), (45, 433322), (90, 216661)]