19896315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 32989440

約数和(自身を除く): 13093125

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 283, 327, 545, 645, 849, 1415, 1635, 4245, 4687, 12169, 14061, 23435, 30847, 36507, 60845, 70305, 92541, 154235, 182535, 462705, 1326421, 3979263, 6632105, 19896315]

約数ペア:

[(1, 19896315), (3, 6632105), (5, 3979263), (15, 1326421), (43, 462705), (109, 182535), (129, 154235), (215, 92541), (283, 70305), (327, 60845), (545, 36507), (645, 30847), (849, 23435), (1415, 14061), (1635, 12169), (4245, 4687)]