19749512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7643}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 21528088

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7643, 15286, 30572, 61144, 129931, 145217, 259862, 290434, 519724, 580868, 1039448, 1161736, 2468689, 4937378, 9874756, 19749512]

約数ペア:

[(1, 19749512), (2, 9874756), (4, 4937378), (8, 2468689), (17, 1161736), (19, 1039448), (34, 580868), (38, 519724), (68, 290434), (76, 259862), (136, 145217), (152, 129931), (323, 61144), (646, 30572), (1292, 15286), (2584, 7643)]