18926235

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9781}}^1$

素因数の和:9835

約数の個数: 24

約数和(自身を含む): 33571824

約数和(自身を除く): 14645589

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 9781, 29343, 48905, 88029, 146715, 420583, 440145, 1261749, 2102915, 3785247, 6308745, 18926235]

約数ペア:

[(1, 18926235), (3, 6308745), (5, 3785247), (9, 2102915), (15, 1261749), (43, 440145), (45, 420583), (129, 146715), (215, 88029), (387, 48905), (645, 29343), (1935, 9781)]