19290870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2081}}^1$

素因数の和:2197

約数の個数: 48

約数和(自身を含む): 50667552

約数和(自身を除く): 31376682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 103, 206, 309, 515, 618, 927, 1030, 1545, 1854, 2081, 3090, 4162, 4635, 6243, 9270, 10405, 12486, 18729, 20810, 31215, 37458, 62430, 93645, 187290, 214343, 428686, 643029, 1071715, 1286058, 1929087, 2143430, 3215145, 3858174, 6430290, 9645435, 19290870]

約数ペア:

[(1, 19290870), (2, 9645435), (3, 6430290), (5, 3858174), (6, 3215145), (9, 2143430), (10, 1929087), (15, 1286058), (18, 1071715), (30, 643029), (45, 428686), (90, 214343), (103, 187290), (206, 93645), (309, 62430), (515, 37458), (618, 31215), (927, 20810), (1030, 18729), (1545, 12486), (1854, 10405), (2081, 9270), (3090, 6243), (4162, 4635)]