19387480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4073}}^1$

素因数の和:4108

約数の個数: 64

約数和(自身を含む): 52799040

約数和(自身を除く): 33411560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4073, 4760, 8146, 16292, 20365, 28511, 32584, 40730, 57022, 69241, 81460, 114044, 138482, 142555, 162920, 228088, 276964, 285110, 346205, 484687, 553928, 570220, 692410, 969374, 1140440, 1384820, 1938748, 2423435, 2769640, 3877496, 4846870, 9693740, 19387480]

約数ペア:

[(1, 19387480), (2, 9693740), (4, 4846870), (5, 3877496), (7, 2769640), (8, 2423435), (10, 1938748), (14, 1384820), (17, 1140440), (20, 969374), (28, 692410), (34, 570220), (35, 553928), (40, 484687), (56, 346205), (68, 285110), (70, 276964), (85, 228088), (119, 162920), (136, 142555), (140, 138482), (170, 114044), (238, 81460), (280, 69241), (340, 57022), (476, 40730), (595, 32584), (680, 28511), (952, 20365), (1190, 16292), (2380, 8146), (4073, 4760)]