18873345

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 31996800

約数和(自身を除く): 13123455

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1009, 1247, 3027, 3741, 5045, 6235, 15135, 18705, 29261, 43387, 87783, 130161, 146305, 216935, 438915, 650805, 1258223, 3774669, 6291115, 18873345]

約数ペア:

[(1, 18873345), (3, 6291115), (5, 3774669), (15, 1258223), (29, 650805), (43, 438915), (87, 216935), (129, 146305), (145, 130161), (215, 87783), (435, 43387), (645, 29261), (1009, 18705), (1247, 15135), (3027, 6235), (3741, 5045)]