18400716

素因数分解:

$2^2\times 3^3\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 47940480

約数和(自身を除く): 29539764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 347, 491, 694, 982, 1041, 1388, 1473, 1964, 2082, 2946, 3123, 4164, 4419, 5892, 6246, 8838, 9369, 12492, 13257, 17676, 18738, 26514, 37476, 53028, 170377, 340754, 511131, 681508, 1022262, 1533393, 2044524, 3066786, 4600179, 6133572, 9200358, 18400716]

約数ペア:

[(1, 18400716), (2, 9200358), (3, 6133572), (4, 4600179), (6, 3066786), (9, 2044524), (12, 1533393), (18, 1022262), (27, 681508), (36, 511131), (54, 340754), (108, 170377), (347, 53028), (491, 37476), (694, 26514), (982, 18738), (1041, 17676), (1388, 13257), (1473, 12492), (1964, 9369), (2082, 8838), (2946, 6246), (3123, 5892), (4164, 4419)]