19526480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3643}}^1$

素因数の和:3723

約数の個数: 40

約数和(自身を含む): 46089312

約数和(自身を除く): 26562832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3643, 5360, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 145720, 244081, 291440, 488162, 976324, 1220405, 1952648, 2440810, 3905296, 4881620, 9763240, 19526480]

約数ペア:

[(1, 19526480), (2, 9763240), (4, 4881620), (5, 3905296), (8, 2440810), (10, 1952648), (16, 1220405), (20, 976324), (40, 488162), (67, 291440), (80, 244081), (134, 145720), (268, 72860), (335, 58288), (536, 36430), (670, 29144), (1072, 18215), (1340, 14572), (2680, 7286), (3643, 5360)]