19019115

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9829}}^1$

素因数の和:9883

約数の個数: 24

約数和(自身を含む): 33736560

約数和(自身を除く): 14717445

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9829, 29487, 49145, 88461, 147435, 422647, 442305, 1267941, 2113235, 3803823, 6339705, 19019115]

約数ペア:

[(1, 19019115), (3, 6339705), (5, 3803823), (9, 2113235), (15, 1267941), (43, 442305), (45, 422647), (129, 147435), (215, 88461), (387, 49145), (645, 29487), (1935, 9829)]