19594420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16061}}^1$

素因数の和:16131

約数の個数: 24

約数和(自身を含む): 41825448

約数和(自身を除く): 22231028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16061, 32122, 64244, 80305, 160610, 321220, 979721, 1959442, 3918884, 4898605, 9797210, 19594420]

約数ペア:

[(1, 19594420), (2, 9797210), (4, 4898605), (5, 3918884), (10, 1959442), (20, 979721), (61, 321220), (122, 160610), (244, 80305), (305, 64244), (610, 32122), (1220, 16061)]