18654840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:794

約数の個数: 128

約数和(自身を含む): 64972800

約数和(自身を除く): 46317960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 751, 828, 920, 1035, 1080, 1242, 1380, 1502, 1656, 2070, 2253, 2484, 2760, 3004, 3105, 3755, 4140, 4506, 4968, 6008, 6210, 6759, 7510, 8280, 9012, 11265, 12420, 13518, 15020, 17273, 18024, 20277, 22530, 24840, 27036, 30040, 33795, 34546, 40554, 45060, 51819, 54072, 67590, 69092, 81108, 86365, 90120, 101385, 103638, 135180, 138184, 155457, 162216, 172730, 202770, 207276, 259095, 270360, 310914, 345460, 405540, 414552, 466371, 518190, 621828, 690920, 777285, 811080, 932742, 1036380, 1243656, 1554570, 1865484, 2072760, 2331855, 3109140, 3730968, 4663710, 6218280, 9327420, 18654840]

約数ペア:

[(1, 18654840), (2, 9327420), (3, 6218280), (4, 4663710), (5, 3730968), (6, 3109140), (8, 2331855), (9, 2072760), (10, 1865484), (12, 1554570), (15, 1243656), (18, 1036380), (20, 932742), (23, 811080), (24, 777285), (27, 690920), (30, 621828), (36, 518190), (40, 466371), (45, 414552), (46, 405540), (54, 345460), (60, 310914), (69, 270360), (72, 259095), (90, 207276), (92, 202770), (108, 172730), (115, 162216), (120, 155457), (135, 138184), (138, 135180), (180, 103638), (184, 101385), (207, 90120), (216, 86365), (230, 81108), (270, 69092), (276, 67590), (345, 54072), (360, 51819), (414, 45060), (460, 40554), (540, 34546), (552, 33795), (621, 30040), (690, 27036), (751, 24840), (828, 22530), (920, 20277), (1035, 18024), (1080, 17273), (1242, 15020), (1380, 13518), (1502, 12420), (1656, 11265), (2070, 9012), (2253, 8280), (2484, 7510), (2760, 6759), (3004, 6210), (3105, 6008), (3755, 4968), (4140, 4506)]