18645588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{39841}}^1$

素因数の和:39864

約数の個数: 36

約数和(自身を含む): 50758708

約数和(自身を除く): 32113120

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 39841, 79682, 119523, 159364, 239046, 358569, 478092, 517933, 717138, 1035866, 1434276, 1553799, 2071732, 3107598, 4661397, 6215196, 9322794, 18645588]

約数ペア:

[(1, 18645588), (2, 9322794), (3, 6215196), (4, 4661397), (6, 3107598), (9, 2071732), (12, 1553799), (13, 1434276), (18, 1035866), (26, 717138), (36, 517933), (39, 478092), (52, 358569), (78, 239046), (117, 159364), (156, 119523), (234, 79682), (468, 39841)]