18115860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43133}}^1$

素因数の和:43152

約数の個数: 48

約数和(自身を含む): 57972096

約数和(自身を除く): 39856236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43133, 86266, 129399, 172532, 215665, 258798, 301931, 431330, 517596, 603862, 646995, 862660, 905793, 1207724, 1293990, 1509655, 1811586, 2587980, 3019310, 3623172, 4528965, 6038620, 9057930, 18115860]

約数ペア:

[(1, 18115860), (2, 9057930), (3, 6038620), (4, 4528965), (5, 3623172), (6, 3019310), (7, 2587980), (10, 1811586), (12, 1509655), (14, 1293990), (15, 1207724), (20, 905793), (21, 862660), (28, 646995), (30, 603862), (35, 517596), (42, 431330), (60, 301931), (70, 258798), (84, 215665), (105, 172532), (140, 129399), (210, 86266), (420, 43133)]