19181556

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1831}}^1$

素因数の和:1941

約数の個数: 48

約数和(自身を含む): 50270080

約数和(自身を除く): 31088524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 1831, 2619, 3492, 3662, 5238, 5493, 7324, 10476, 10986, 16479, 21972, 32958, 49437, 65916, 98874, 177607, 197748, 355214, 532821, 710428, 1065642, 1598463, 2131284, 3196926, 4795389, 6393852, 9590778, 19181556]

約数ペア:

[(1, 19181556), (2, 9590778), (3, 6393852), (4, 4795389), (6, 3196926), (9, 2131284), (12, 1598463), (18, 1065642), (27, 710428), (36, 532821), (54, 355214), (97, 197748), (108, 177607), (194, 98874), (291, 65916), (388, 49437), (582, 32958), (873, 21972), (1164, 16479), (1746, 10986), (1831, 10476), (2619, 7324), (3492, 5493), (3662, 5238)]