19421872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39157}}^1$

素因数の和:39196

約数の個数: 20

約数和(自身を含む): 38844736

約数和(自身を除く): 19422864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39157, 78314, 156628, 313256, 626512, 1213867, 2427734, 4855468, 9710936, 19421872]

約数ペア:

[(1, 19421872), (2, 9710936), (4, 4855468), (8, 2427734), (16, 1213867), (31, 626512), (62, 313256), (124, 156628), (248, 78314), (496, 39157)]