18339664

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 40810880

約数和(自身を除く): 22471216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 439, 746, 878, 1492, 1756, 2611, 2984, 3073, 3512, 5222, 5968, 6146, 7024, 10444, 12292, 20888, 24584, 41776, 49168, 163747, 327494, 654988, 1146229, 1309976, 2292458, 2619952, 4584916, 9169832, 18339664]

約数ペア:

[(1, 18339664), (2, 9169832), (4, 4584916), (7, 2619952), (8, 2292458), (14, 1309976), (16, 1146229), (28, 654988), (56, 327494), (112, 163747), (373, 49168), (439, 41776), (746, 24584), (878, 20888), (1492, 12292), (1756, 10444), (2611, 7024), (2984, 6146), (3073, 5968), (3512, 5222)]