18667860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1291}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 52527552

約数和(自身を除く): 33859692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1291, 1446, 2410, 2582, 2892, 3615, 3873, 4820, 5164, 6455, 7230, 7746, 12910, 14460, 15492, 19365, 25820, 38730, 77460, 311131, 622262, 933393, 1244524, 1555655, 1866786, 3111310, 3733572, 4666965, 6222620, 9333930, 18667860]

約数ペア:

[(1, 18667860), (2, 9333930), (3, 6222620), (4, 4666965), (5, 3733572), (6, 3111310), (10, 1866786), (12, 1555655), (15, 1244524), (20, 933393), (30, 622262), (60, 311131), (241, 77460), (482, 38730), (723, 25820), (964, 19365), (1205, 15492), (1291, 14460), (1446, 12910), (2410, 7746), (2582, 7230), (2892, 6455), (3615, 5164), (3873, 4820)]