18655884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39863}}^1$

素因数の和:39886

約数の個数: 36

約数和(自身を含む): 50786736

約数和(自身を除く): 32130852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39863, 79726, 119589, 159452, 239178, 358767, 478356, 518219, 717534, 1036438, 1435068, 1554657, 2072876, 3109314, 4663971, 6218628, 9327942, 18655884]

約数ペア:

[(1, 18655884), (2, 9327942), (3, 6218628), (4, 4663971), (6, 3109314), (9, 2072876), (12, 1554657), (13, 1435068), (18, 1036438), (26, 717534), (36, 518219), (39, 478356), (52, 358767), (78, 239178), (117, 159452), (156, 119589), (234, 79726), (468, 39863)]