18711450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 72

約数和(自身を含む): 51493728

約数和(自身を除く): 32782278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 967, 1075, 1290, 1934, 1935, 2150, 2901, 3225, 3870, 4835, 5802, 6450, 8703, 9670, 9675, 14505, 17406, 19350, 24175, 29010, 41581, 43515, 48350, 72525, 83162, 87030, 124743, 145050, 207905, 217575, 249486, 374229, 415810, 435150, 623715, 748458, 1039525, 1247430, 1871145, 2079050, 3118575, 3742290, 6237150, 9355725, 18711450]

約数ペア:

[(1, 18711450), (2, 9355725), (3, 6237150), (5, 3742290), (6, 3118575), (9, 2079050), (10, 1871145), (15, 1247430), (18, 1039525), (25, 748458), (30, 623715), (43, 435150), (45, 415810), (50, 374229), (75, 249486), (86, 217575), (90, 207905), (129, 145050), (150, 124743), (215, 87030), (225, 83162), (258, 72525), (387, 48350), (430, 43515), (450, 41581), (645, 29010), (774, 24175), (967, 19350), (1075, 17406), (1290, 14505), (1934, 9675), (1935, 9670), (2150, 8703), (2901, 6450), (3225, 5802), (3870, 4835)]