18873085

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 29548800

約数和(自身を除く): 10675715

約数列:

[1, 5, 7, 11, 35, 47, 49, 55, 77, 149, 235, 245, 329, 385, 517, 539, 745, 1043, 1639, 1645, 2303, 2585, 2695, 3619, 5215, 7003, 7301, 8195, 11473, 11515, 18095, 25333, 35015, 36505, 49021, 57365, 77033, 80311, 126665, 245105, 343147, 385165, 401555, 539231, 1715735, 2696155, 3774617, 18873085]

約数ペア:

[(1, 18873085), (5, 3774617), (7, 2696155), (11, 1715735), (35, 539231), (47, 401555), (49, 385165), (55, 343147), (77, 245105), (149, 126665), (235, 80311), (245, 77033), (329, 57365), (385, 49021), (517, 36505), (539, 35015), (745, 25333), (1043, 18095), (1639, 11515), (1645, 11473), (2303, 8195), (2585, 7301), (2695, 7003), (3619, 5215)]