18456420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2213}}^1$

素因数の和:2364

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 33616860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2213, 2780, 4170, 4426, 6639, 8340, 8852, 11065, 13278, 22130, 26556, 33195, 44260, 66390, 132780, 307607, 615214, 922821, 1230428, 1538035, 1845642, 3076070, 3691284, 4614105, 6152140, 9228210, 18456420]

約数ペア:

[(1, 18456420), (2, 9228210), (3, 6152140), (4, 4614105), (5, 3691284), (6, 3076070), (10, 1845642), (12, 1538035), (15, 1230428), (20, 922821), (30, 615214), (60, 307607), (139, 132780), (278, 66390), (417, 44260), (556, 33195), (695, 26556), (834, 22130), (1390, 13278), (1668, 11065), (2085, 8852), (2213, 8340), (2780, 6639), (4170, 4426)]