19387184

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10723}}^1$

素因数の和:10844

約数の個数: 20

約数和(自身を含む): 37898616

約数和(自身を除く): 18511432

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10723, 21446, 42892, 85784, 171568, 1211699, 2423398, 4846796, 9693592, 19387184]

約数ペア:

[(1, 19387184), (2, 9693592), (4, 4846796), (8, 2423398), (16, 1211699), (113, 171568), (226, 85784), (452, 42892), (904, 21446), (1808, 10723)]