18790290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2027}}^1$

素因数の和:2143

約数の個数: 48

約数和(自身を含む): 49353408

約数和(自身を除く): 30563118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2027, 3090, 4054, 4635, 6081, 9270, 10135, 12162, 18243, 20270, 30405, 36486, 60810, 91215, 182430, 208781, 417562, 626343, 1043905, 1252686, 1879029, 2087810, 3131715, 3758058, 6263430, 9395145, 18790290]

約数ペア:

[(1, 18790290), (2, 9395145), (3, 6263430), (5, 3758058), (6, 3131715), (9, 2087810), (10, 1879029), (15, 1252686), (18, 1043905), (30, 626343), (45, 417562), (90, 208781), (103, 182430), (206, 91215), (309, 60810), (515, 36486), (618, 30405), (927, 20270), (1030, 18243), (1545, 12162), (1854, 10135), (2027, 9270), (3090, 6081), (4054, 4635)]