16919025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 30474240

約数和(自身を除く): 13555215

約数列:

[1, 3, 5, 15, 19, 25, 31, 57, 75, 93, 95, 155, 285, 383, 465, 475, 589, 775, 1149, 1425, 1767, 1915, 2325, 2945, 5745, 7277, 8835, 9575, 11873, 14725, 21831, 28725, 35619, 36385, 44175, 59365, 109155, 178095, 181925, 225587, 296825, 545775, 676761, 890475, 1127935, 3383805, 5639675, 16919025]

約数ペア:

[(1, 16919025), (3, 5639675), (5, 3383805), (15, 1127935), (19, 890475), (25, 676761), (31, 545775), (57, 296825), (75, 225587), (93, 181925), (95, 178095), (155, 109155), (285, 59365), (383, 44175), (465, 36385), (475, 35619), (589, 28725), (775, 21831), (1149, 14725), (1425, 11873), (1767, 9575), (1915, 8835), (2325, 7277), (2945, 5745)]