18739365

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 32382720

約数和(自身を除く): 13643355

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 1873, 2001, 3335, 5619, 9365, 10005, 28095, 43079, 54317, 129237, 162951, 215395, 271585, 646185, 814755, 1249291, 3747873, 6246455, 18739365]

約数ペア:

[(1, 18739365), (3, 6246455), (5, 3747873), (15, 1249291), (23, 814755), (29, 646185), (69, 271585), (87, 215395), (115, 162951), (145, 129237), (345, 54317), (435, 43079), (667, 28095), (1873, 10005), (2001, 9365), (3335, 5619)]