18861472

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:570

約数の個数: 72

約数和(自身を含む): 45160416

約数和(自身を除く): 26298944

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 523, 644, 736, 784, 1046, 1127, 1288, 1568, 2092, 2254, 2576, 3661, 4184, 4508, 5152, 7322, 8368, 9016, 12029, 14644, 16736, 18032, 24058, 25627, 29288, 36064, 48116, 51254, 58576, 84203, 96232, 102508, 117152, 168406, 192464, 205016, 336812, 384928, 410032, 589421, 673624, 820064, 1178842, 1347248, 2357684, 2694496, 4715368, 9430736, 18861472]

約数ペア:

[(1, 18861472), (2, 9430736), (4, 4715368), (7, 2694496), (8, 2357684), (14, 1347248), (16, 1178842), (23, 820064), (28, 673624), (32, 589421), (46, 410032), (49, 384928), (56, 336812), (92, 205016), (98, 192464), (112, 168406), (161, 117152), (184, 102508), (196, 96232), (224, 84203), (322, 58576), (368, 51254), (392, 48116), (523, 36064), (644, 29288), (736, 25627), (784, 24058), (1046, 18032), (1127, 16736), (1288, 14644), (1568, 12029), (2092, 9016), (2254, 8368), (2576, 7322), (3661, 5152), (4184, 4508)]