19772092

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 35315280

約数和(自身を除く): 15543188

約数列:

[1, 2, 4, 97, 131, 194, 262, 388, 389, 524, 778, 1556, 12707, 25414, 37733, 50828, 50959, 75466, 101918, 150932, 203836, 4943023, 9886046, 19772092]

約数ペア:

[(1, 19772092), (2, 9886046), (4, 4943023), (97, 203836), (131, 150932), (194, 101918), (262, 75466), (388, 50959), (389, 50828), (524, 37733), (778, 25414), (1556, 12707)]