19745060

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3643}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 41629056

約数和(自身を除く): 21883996

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3643, 5420, 7286, 14572, 18215, 36430, 72860, 987253, 1974506, 3949012, 4936265, 9872530, 19745060]

約数ペア:

[(1, 19745060), (2, 9872530), (4, 4936265), (5, 3949012), (10, 1974506), (20, 987253), (271, 72860), (542, 36430), (1084, 18215), (1355, 14572), (2710, 7286), (3643, 5420)]