19651360

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{467}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 27051296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 467, 526, 934, 1052, 1315, 1868, 2104, 2335, 2630, 3736, 4208, 4670, 5260, 7472, 8416, 9340, 10520, 14944, 18680, 21040, 37360, 42080, 74720, 122821, 245642, 491284, 614105, 982568, 1228210, 1965136, 2456420, 3930272, 4912840, 9825680, 19651360]

約数ペア:

[(1, 19651360), (2, 9825680), (4, 4912840), (5, 3930272), (8, 2456420), (10, 1965136), (16, 1228210), (20, 982568), (32, 614105), (40, 491284), (80, 245642), (160, 122821), (263, 74720), (467, 42080), (526, 37360), (934, 21040), (1052, 18680), (1315, 14944), (1868, 10520), (2104, 9340), (2335, 8416), (2630, 7472), (3736, 5260), (4208, 4670)]