18278744

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 39357360

約数和(自身を除く): 21078616

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 121, 184, 242, 253, 484, 506, 821, 968, 1012, 1642, 2024, 2783, 3284, 5566, 6568, 9031, 11132, 18062, 18883, 22264, 36124, 37766, 72248, 75532, 99341, 151064, 198682, 207713, 397364, 415426, 794728, 830852, 1661704, 2284843, 4569686, 9139372, 18278744]

約数ペア:

[(1, 18278744), (2, 9139372), (4, 4569686), (8, 2284843), (11, 1661704), (22, 830852), (23, 794728), (44, 415426), (46, 397364), (88, 207713), (92, 198682), (121, 151064), (184, 99341), (242, 75532), (253, 72248), (484, 37766), (506, 36124), (821, 22264), (968, 18883), (1012, 18062), (1642, 11132), (2024, 9031), (2783, 6568), (3284, 5566)]