18410525

素因数分解:

$5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 28272000

約数和(自身を除く): 9861475

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 113, 133, 175, 245, 343, 475, 565, 665, 791, 931, 1225, 1715, 2147, 2825, 3325, 3955, 4655, 5537, 6517, 8575, 10735, 15029, 19775, 23275, 27685, 32585, 38759, 53675, 75145, 105203, 138425, 162925, 193795, 375725, 526015, 736421, 968975, 2630075, 3682105, 18410525]

約数ペア:

[(1, 18410525), (5, 3682105), (7, 2630075), (19, 968975), (25, 736421), (35, 526015), (49, 375725), (95, 193795), (113, 162925), (133, 138425), (175, 105203), (245, 75145), (343, 53675), (475, 38759), (565, 32585), (665, 27685), (791, 23275), (931, 19775), (1225, 15029), (1715, 10735), (2147, 8575), (2825, 6517), (3325, 5537), (3955, 4655)]