18393990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1259}}^1$

素因数の和:1756

約数の個数: 32

約数和(自身を含む): 44271360

約数和(自身を除く): 25877370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 487, 974, 1259, 1461, 2435, 2518, 2922, 3777, 4870, 6295, 7305, 7554, 12590, 14610, 18885, 37770, 613133, 1226266, 1839399, 3065665, 3678798, 6131330, 9196995, 18393990]

約数ペア:

[(1, 18393990), (2, 9196995), (3, 6131330), (5, 3678798), (6, 3065665), (10, 1839399), (15, 1226266), (30, 613133), (487, 37770), (974, 18885), (1259, 14610), (1461, 12590), (2435, 7554), (2518, 7305), (2922, 6295), (3777, 4870)]