19903450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 46247040

約数和(自身を除く): 26343590

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 41, 50, 70, 73, 82, 95, 133, 146, 175, 190, 205, 266, 287, 350, 365, 410, 475, 511, 574, 665, 730, 779, 950, 1022, 1025, 1330, 1387, 1435, 1558, 1825, 2050, 2555, 2774, 2870, 2993, 3325, 3650, 3895, 5110, 5453, 5986, 6650, 6935, 7175, 7790, 9709, 10906, 12775, 13870, 14350, 14965, 19418, 19475, 20951, 25550, 27265, 29930, 34675, 38950, 41902, 48545, 54530, 56867, 69350, 74825, 97090, 104755, 113734, 136325, 149650, 209510, 242725, 272650, 284335, 398069, 485450, 523775, 568670, 796138, 1047550, 1421675, 1990345, 2843350, 3980690, 9951725, 19903450]

約数ペア:

[(1, 19903450), (2, 9951725), (5, 3980690), (7, 2843350), (10, 1990345), (14, 1421675), (19, 1047550), (25, 796138), (35, 568670), (38, 523775), (41, 485450), (50, 398069), (70, 284335), (73, 272650), (82, 242725), (95, 209510), (133, 149650), (146, 136325), (175, 113734), (190, 104755), (205, 97090), (266, 74825), (287, 69350), (350, 56867), (365, 54530), (410, 48545), (475, 41902), (511, 38950), (574, 34675), (665, 29930), (730, 27265), (779, 25550), (950, 20951), (1022, 19475), (1025, 19418), (1330, 14965), (1387, 14350), (1435, 13870), (1558, 12775), (1825, 10906), (2050, 9709), (2555, 7790), (2774, 7175), (2870, 6935), (2993, 6650), (3325, 5986), (3650, 5453), (3895, 5110)]