18280740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{557}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 51371712

約数和(自身を除く): 33090972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 557, 1094, 1114, 1641, 1671, 2188, 2228, 2735, 2785, 3282, 3342, 5470, 5570, 6564, 6684, 8205, 8355, 10940, 11140, 16410, 16710, 32820, 33420, 304679, 609358, 914037, 1218716, 1523395, 1828074, 3046790, 3656148, 4570185, 6093580, 9140370, 18280740]

約数ペア:

[(1, 18280740), (2, 9140370), (3, 6093580), (4, 4570185), (5, 3656148), (6, 3046790), (10, 1828074), (12, 1523395), (15, 1218716), (20, 914037), (30, 609358), (60, 304679), (547, 33420), (557, 32820), (1094, 16710), (1114, 16410), (1641, 11140), (1671, 10940), (2188, 8355), (2228, 8205), (2735, 6684), (2785, 6564), (3282, 5570), (3342, 5470)]