17853980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 22365220

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1049, 1702, 2098, 3404, 4196, 4255, 5245, 8510, 10490, 17020, 20980, 24127, 38813, 48254, 77626, 96508, 120635, 155252, 194065, 241270, 388130, 482540, 776260, 892699, 1785398, 3570796, 4463495, 8926990, 17853980]

約数ペア:

[(1, 17853980), (2, 8926990), (4, 4463495), (5, 3570796), (10, 1785398), (20, 892699), (23, 776260), (37, 482540), (46, 388130), (74, 241270), (92, 194065), (115, 155252), (148, 120635), (185, 96508), (230, 77626), (370, 48254), (460, 38813), (740, 24127), (851, 20980), (1049, 17020), (1702, 10490), (2098, 8510), (3404, 5245), (4196, 4255)]