19506844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 42219520

約数和(自身を除く): 22712676

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 991, 1036, 1406, 1982, 2812, 3964, 4921, 6937, 9842, 13874, 18829, 19684, 27748, 36667, 37658, 73334, 75316, 131803, 146668, 256669, 263606, 513338, 527212, 696673, 1026676, 1393346, 2786692, 4876711, 9753422, 19506844]

約数ペア:

[(1, 19506844), (2, 9753422), (4, 4876711), (7, 2786692), (14, 1393346), (19, 1026676), (28, 696673), (37, 527212), (38, 513338), (74, 263606), (76, 256669), (133, 146668), (148, 131803), (259, 75316), (266, 73334), (518, 37658), (532, 36667), (703, 27748), (991, 19684), (1036, 18829), (1406, 13874), (1982, 9842), (2812, 6937), (3964, 4921)]