18888948

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40361}}^1$

素因数の和:40384

約数の個数: 36

約数和(自身を含む): 51421188

約数和(自身を除く): 32532240

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40361, 80722, 121083, 161444, 242166, 363249, 484332, 524693, 726498, 1049386, 1452996, 1574079, 2098772, 3148158, 4722237, 6296316, 9444474, 18888948]

約数ペア:

[(1, 18888948), (2, 9444474), (3, 6296316), (4, 4722237), (6, 3148158), (9, 2098772), (12, 1574079), (13, 1452996), (18, 1049386), (26, 726498), (36, 524693), (39, 484332), (52, 363249), (78, 242166), (117, 161444), (156, 121083), (234, 80722), (468, 40361)]