18827840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3461}}^1$

素因数の和:3495

約数の個数: 56

約数和(自身を含む): 47484792

約数和(自身を除く): 28656952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3461, 5440, 6922, 13844, 17305, 27688, 34610, 55376, 58837, 69220, 110752, 117674, 138440, 221504, 235348, 276880, 294185, 470696, 553760, 588370, 941392, 1107520, 1176740, 1882784, 2353480, 3765568, 4706960, 9413920, 18827840]

約数ペア:

[(1, 18827840), (2, 9413920), (4, 4706960), (5, 3765568), (8, 2353480), (10, 1882784), (16, 1176740), (17, 1107520), (20, 941392), (32, 588370), (34, 553760), (40, 470696), (64, 294185), (68, 276880), (80, 235348), (85, 221504), (136, 138440), (160, 117674), (170, 110752), (272, 69220), (320, 58837), (340, 55376), (544, 34610), (680, 27688), (1088, 17305), (1360, 13844), (2720, 6922), (3461, 5440)]