19747365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6299}}^1$

素因数の和:6337

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16540635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6299, 18897, 31495, 69289, 94485, 119681, 207867, 346445, 359043, 598405, 1039335, 1316491, 1795215, 3949473, 6582455, 19747365]

約数ペア:

[(1, 19747365), (3, 6582455), (5, 3949473), (11, 1795215), (15, 1316491), (19, 1039335), (33, 598405), (55, 359043), (57, 346445), (95, 207867), (165, 119681), (209, 94485), (285, 69289), (627, 31495), (1045, 18897), (3135, 6299)]