18754620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1297}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 52771488

約数和(自身を除く): 34016868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1297, 1446, 2410, 2594, 2892, 3615, 3891, 4820, 5188, 6485, 7230, 7782, 12970, 14460, 15564, 19455, 25940, 38910, 77820, 312577, 625154, 937731, 1250308, 1562885, 1875462, 3125770, 3750924, 4688655, 6251540, 9377310, 18754620]

約数ペア:

[(1, 18754620), (2, 9377310), (3, 6251540), (4, 4688655), (5, 3750924), (6, 3125770), (10, 1875462), (12, 1562885), (15, 1250308), (20, 937731), (30, 625154), (60, 312577), (241, 77820), (482, 38910), (723, 25940), (964, 19455), (1205, 15564), (1297, 14460), (1446, 12970), (2410, 7782), (2594, 7230), (2892, 6485), (3615, 5188), (3891, 4820)]