19804048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6619}}^1$

素因数の和:6655

約数の個数: 40

約数和(自身を含む): 44327520

約数和(自身を除く): 24523472

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6619, 13238, 26476, 52952, 72809, 105904, 112523, 145618, 225046, 291236, 450092, 582472, 900184, 1164944, 1237753, 1800368, 2475506, 4951012, 9902024, 19804048]

約数ペア:

[(1, 19804048), (2, 9902024), (4, 4951012), (8, 2475506), (11, 1800368), (16, 1237753), (17, 1164944), (22, 900184), (34, 582472), (44, 450092), (68, 291236), (88, 225046), (136, 145618), (176, 112523), (187, 105904), (272, 72809), (374, 52952), (748, 26476), (1496, 13238), (2992, 6619)]