18972120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4324

約数の個数: 64

約数和(自身を含む): 58468320

約数和(自身を除く): 39496200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4273, 4440, 8546, 12819, 17092, 21365, 25638, 34184, 42730, 51276, 64095, 85460, 102552, 128190, 158101, 170920, 256380, 316202, 474303, 512760, 632404, 790505, 948606, 1264808, 1581010, 1897212, 2371515, 3162020, 3794424, 4743030, 6324040, 9486060, 18972120]

約数ペア:

[(1, 18972120), (2, 9486060), (3, 6324040), (4, 4743030), (5, 3794424), (6, 3162020), (8, 2371515), (10, 1897212), (12, 1581010), (15, 1264808), (20, 948606), (24, 790505), (30, 632404), (37, 512760), (40, 474303), (60, 316202), (74, 256380), (111, 170920), (120, 158101), (148, 128190), (185, 102552), (222, 85460), (296, 64095), (370, 51276), (444, 42730), (555, 34184), (740, 25638), (888, 21365), (1110, 17092), (1480, 12819), (2220, 8546), (4273, 4440)]