19427144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{859}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 39938400

約数和(自身を除く): 20511256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 859, 1028, 1718, 2056, 2827, 3436, 5654, 6872, 9449, 11308, 18898, 22616, 37796, 75592, 220763, 441526, 883052, 1766104, 2428393, 4856786, 9713572, 19427144]

約数ペア:

[(1, 19427144), (2, 9713572), (4, 4856786), (8, 2428393), (11, 1766104), (22, 883052), (44, 441526), (88, 220763), (257, 75592), (514, 37796), (859, 22616), (1028, 18898), (1718, 11308), (2056, 9449), (2827, 6872), (3436, 5654)]