18775904

素因数分解:

$2^5\times 7^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 23912896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 109, 112, 218, 224, 436, 763, 769, 872, 1526, 1538, 1744, 3052, 3076, 3488, 5383, 6104, 6152, 10766, 12208, 12304, 21532, 24416, 24608, 43064, 83821, 86128, 167642, 172256, 335284, 586747, 670568, 1173494, 1341136, 2346988, 2682272, 4693976, 9387952, 18775904]

約数ペア:

[(1, 18775904), (2, 9387952), (4, 4693976), (7, 2682272), (8, 2346988), (14, 1341136), (16, 1173494), (28, 670568), (32, 586747), (56, 335284), (109, 172256), (112, 167642), (218, 86128), (224, 83821), (436, 43064), (763, 24608), (769, 24416), (872, 21532), (1526, 12304), (1538, 12208), (1744, 10766), (3052, 6152), (3076, 6104), (3488, 5383)]