18385890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2543}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 44326656

約数和(自身を除く): 25940766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 241, 482, 723, 1205, 1446, 2410, 2543, 3615, 5086, 7230, 7629, 12715, 15258, 25430, 38145, 76290, 612863, 1225726, 1838589, 3064315, 3677178, 6128630, 9192945, 18385890]

約数ペア:

[(1, 18385890), (2, 9192945), (3, 6128630), (5, 3677178), (6, 3064315), (10, 1838589), (15, 1225726), (30, 612863), (241, 76290), (482, 38145), (723, 25430), (1205, 15258), (1446, 12715), (2410, 7629), (2543, 7230), (3615, 5086)]