19623890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13723}}^1$

素因数の和:13754

約数の個数: 32

約数和(自身を含む): 41501376

約数和(自身を除く): 21877486

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13723, 27446, 68615, 137230, 150953, 178399, 301906, 356798, 754765, 891995, 1509530, 1783990, 1962389, 3924778, 9811945, 19623890]

約数ペア:

[(1, 19623890), (2, 9811945), (5, 3924778), (10, 1962389), (11, 1783990), (13, 1509530), (22, 891995), (26, 754765), (55, 356798), (65, 301906), (110, 178399), (130, 150953), (143, 137230), (286, 68615), (715, 27446), (1430, 13723)]