15989868

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 43163120

約数和(自身を除く): 27173252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 241, 291, 342, 388, 482, 582, 684, 723, 873, 964, 1164, 1446, 1746, 1843, 2169, 2892, 3492, 3686, 4338, 4579, 5529, 7372, 8676, 9158, 11058, 13737, 16587, 18316, 22116, 23377, 27474, 33174, 41211, 46754, 54948, 66348, 70131, 82422, 93508, 140262, 164844, 210393, 280524, 420786, 444163, 841572, 888326, 1332489, 1776652, 2664978, 3997467, 5329956, 7994934, 15989868]

約数ペア:

[(1, 15989868), (2, 7994934), (3, 5329956), (4, 3997467), (6, 2664978), (9, 1776652), (12, 1332489), (18, 888326), (19, 841572), (36, 444163), (38, 420786), (57, 280524), (76, 210393), (97, 164844), (114, 140262), (171, 93508), (194, 82422), (228, 70131), (241, 66348), (291, 54948), (342, 46754), (388, 41211), (482, 33174), (582, 27474), (684, 23377), (723, 22116), (873, 18316), (964, 16587), (1164, 13737), (1446, 11058), (1746, 9158), (1843, 8676), (2169, 7372), (2892, 5529), (3492, 4579), (3686, 4338)]