19882440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55229}}^1$

素因数の和:55246

約数の個数: 48

約数和(自身を含む): 64619100

約数和(自身を除く): 44736660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55229, 110458, 165687, 220916, 276145, 331374, 441832, 497061, 552290, 662748, 828435, 994122, 1104580, 1325496, 1656870, 1988244, 2209160, 2485305, 3313740, 3976488, 4970610, 6627480, 9941220, 19882440]

約数ペア:

[(1, 19882440), (2, 9941220), (3, 6627480), (4, 4970610), (5, 3976488), (6, 3313740), (8, 2485305), (9, 2209160), (10, 1988244), (12, 1656870), (15, 1325496), (18, 1104580), (20, 994122), (24, 828435), (30, 662748), (36, 552290), (40, 497061), (45, 441832), (60, 331374), (72, 276145), (90, 220916), (120, 165687), (180, 110458), (360, 55229)]