18437820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 51813888

約数和(自身を除く): 33376068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 487, 631, 974, 1262, 1461, 1893, 1948, 2435, 2524, 2922, 3155, 3786, 4870, 5844, 6310, 7305, 7572, 9465, 9740, 12620, 14610, 18930, 29220, 37860, 307297, 614594, 921891, 1229188, 1536485, 1843782, 3072970, 3687564, 4609455, 6145940, 9218910, 18437820]

約数ペア:

[(1, 18437820), (2, 9218910), (3, 6145940), (4, 4609455), (5, 3687564), (6, 3072970), (10, 1843782), (12, 1536485), (15, 1229188), (20, 921891), (30, 614594), (60, 307297), (487, 37860), (631, 29220), (974, 18930), (1262, 14610), (1461, 12620), (1893, 9740), (1948, 9465), (2435, 7572), (2524, 7305), (2922, 6310), (3155, 5844), (3786, 4870)]