19384760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{983}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 28437640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 983, 986, 1160, 1966, 1972, 2465, 3932, 3944, 4915, 4930, 7864, 9830, 9860, 16711, 19660, 19720, 28507, 33422, 39320, 57014, 66844, 83555, 114028, 133688, 142535, 167110, 228056, 285070, 334220, 484619, 570140, 668440, 969238, 1140280, 1938476, 2423095, 3876952, 4846190, 9692380, 19384760]

約数ペア:

[(1, 19384760), (2, 9692380), (4, 4846190), (5, 3876952), (8, 2423095), (10, 1938476), (17, 1140280), (20, 969238), (29, 668440), (34, 570140), (40, 484619), (58, 334220), (68, 285070), (85, 228056), (116, 167110), (136, 142535), (145, 133688), (170, 114028), (232, 83555), (290, 66844), (340, 57014), (493, 39320), (580, 33422), (680, 28507), (983, 19720), (986, 19660), (1160, 16711), (1966, 9860), (1972, 9830), (2465, 7864), (3932, 4930), (3944, 4915)]