19349680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 52050240

約数和(自身を除く): 32700560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 317, 436, 545, 560, 634, 763, 872, 1090, 1268, 1526, 1585, 1744, 2180, 2219, 2536, 3052, 3170, 3815, 4360, 4438, 5072, 6104, 6340, 7630, 8720, 8876, 11095, 12208, 12680, 15260, 17752, 22190, 25360, 30520, 34553, 35504, 44380, 61040, 69106, 88760, 138212, 172765, 177520, 241871, 276424, 345530, 483742, 552848, 691060, 967484, 1209355, 1382120, 1934968, 2418710, 2764240, 3869936, 4837420, 9674840, 19349680]

約数ペア:

[(1, 19349680), (2, 9674840), (4, 4837420), (5, 3869936), (7, 2764240), (8, 2418710), (10, 1934968), (14, 1382120), (16, 1209355), (20, 967484), (28, 691060), (35, 552848), (40, 483742), (56, 345530), (70, 276424), (80, 241871), (109, 177520), (112, 172765), (140, 138212), (218, 88760), (280, 69106), (317, 61040), (436, 44380), (545, 35504), (560, 34553), (634, 30520), (763, 25360), (872, 22190), (1090, 17752), (1268, 15260), (1526, 12680), (1585, 12208), (1744, 11095), (2180, 8876), (2219, 8720), (2536, 7630), (3052, 6340), (3170, 6104), (3815, 5072), (4360, 4438)]