18699380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19081}}^1$

素因数の和:19104

約数の個数: 36

約数和(自身を含む): 45682308

約数和(自身を除く): 26982928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19081, 38162, 76324, 95405, 133567, 190810, 267134, 381620, 534268, 667835, 934969, 1335670, 1869938, 2671340, 3739876, 4674845, 9349690, 18699380]

約数ペア:

[(1, 18699380), (2, 9349690), (4, 4674845), (5, 3739876), (7, 2671340), (10, 1869938), (14, 1335670), (20, 934969), (28, 667835), (35, 534268), (49, 381620), (70, 267134), (98, 190810), (140, 133567), (196, 95405), (245, 76324), (490, 38162), (980, 19081)]