18287584

素因数分解:

$2^5\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 72

約数和(自身を含む): 42661080

約数和(自身を除く): 24373496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 107, 109, 112, 196, 214, 218, 224, 392, 428, 436, 749, 763, 784, 856, 872, 1498, 1526, 1568, 1712, 1744, 2996, 3052, 3424, 3488, 5243, 5341, 5992, 6104, 10486, 10682, 11663, 11984, 12208, 20972, 21364, 23326, 23968, 24416, 41944, 42728, 46652, 81641, 83888, 85456, 93304, 163282, 167776, 170912, 186608, 326564, 373216, 571487, 653128, 1142974, 1306256, 2285948, 2612512, 4571896, 9143792, 18287584]

約数ペア:

[(1, 18287584), (2, 9143792), (4, 4571896), (7, 2612512), (8, 2285948), (14, 1306256), (16, 1142974), (28, 653128), (32, 571487), (49, 373216), (56, 326564), (98, 186608), (107, 170912), (109, 167776), (112, 163282), (196, 93304), (214, 85456), (218, 83888), (224, 81641), (392, 46652), (428, 42728), (436, 41944), (749, 24416), (763, 23968), (784, 23326), (856, 21364), (872, 20972), (1498, 12208), (1526, 11984), (1568, 11663), (1712, 10682), (1744, 10486), (2996, 6104), (3052, 5992), (3424, 5341), (3488, 5243)]