18901116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40387}}^1$

素因数の和:40410

約数の個数: 36

約数和(自身を含む): 51454312

約数和(自身を除く): 32553196

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40387, 80774, 121161, 161548, 242322, 363483, 484644, 525031, 726966, 1050062, 1453932, 1575093, 2100124, 3150186, 4725279, 6300372, 9450558, 18901116]

約数ペア:

[(1, 18901116), (2, 9450558), (3, 6300372), (4, 4725279), (6, 3150186), (9, 2100124), (12, 1575093), (13, 1453932), (18, 1050062), (26, 726966), (36, 525031), (39, 484644), (52, 363483), (78, 242322), (117, 161548), (156, 121161), (234, 80774), (468, 40387)]