15857172

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 42806400

約数和(自身を除く): 26949228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 239, 291, 342, 388, 478, 582, 684, 717, 873, 956, 1164, 1434, 1746, 1843, 2151, 2868, 3492, 3686, 4302, 4541, 5529, 7372, 8604, 9082, 11058, 13623, 16587, 18164, 22116, 23183, 27246, 33174, 40869, 46366, 54492, 66348, 69549, 81738, 92732, 139098, 163476, 208647, 278196, 417294, 440477, 834588, 880954, 1321431, 1761908, 2642862, 3964293, 5285724, 7928586, 15857172]

約数ペア:

[(1, 15857172), (2, 7928586), (3, 5285724), (4, 3964293), (6, 2642862), (9, 1761908), (12, 1321431), (18, 880954), (19, 834588), (36, 440477), (38, 417294), (57, 278196), (76, 208647), (97, 163476), (114, 139098), (171, 92732), (194, 81738), (228, 69549), (239, 66348), (291, 54492), (342, 46366), (388, 40869), (478, 33174), (582, 27246), (684, 23183), (717, 22116), (873, 18164), (956, 16587), (1164, 13623), (1434, 11058), (1746, 9082), (1843, 8604), (2151, 7372), (2868, 5529), (3492, 4541), (3686, 4302)]