18804524985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{42943}}^1$

素因数の和:43254

約数の個数: 48

約数和(自身を含む): 33603508224

約数和(自身を除く): 14798983239

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 263, 333, 555, 789, 1315, 1665, 2367, 3945, 9731, 11835, 29193, 42943, 48655, 87579, 128829, 145965, 214715, 386487, 437895, 644145, 1588891, 1932435, 4766673, 7944455, 11294009, 14300019, 23833365, 33882027, 56470045, 71500095, 101646081, 169410135, 417878333, 508230405, 1253634999, 2089391665, 3760904997, 6268174995, 18804524985]

約数ペア:

[(1, 18804524985), (3, 6268174995), (5, 3760904997), (9, 2089391665), (15, 1253634999), (37, 508230405), (45, 417878333), (111, 169410135), (185, 101646081), (263, 71500095), (333, 56470045), (555, 33882027), (789, 23833365), (1315, 14300019), (1665, 11294009), (2367, 7944455), (3945, 4766673), (9731, 1932435), (11835, 1588891), (29193, 644145), (42943, 437895), (48655, 386487), (87579, 214715), (128829, 145965)]