19165648

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 38388168

約数和(自身を除く): 19222520

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 233, 388, 424, 466, 776, 848, 932, 1552, 1864, 3728, 5141, 10282, 12349, 20564, 22601, 24698, 41128, 45202, 49396, 82256, 90404, 98792, 180808, 197584, 361616, 1197853, 2395706, 4791412, 9582824, 19165648]

約数ペア:

[(1, 19165648), (2, 9582824), (4, 4791412), (8, 2395706), (16, 1197853), (53, 361616), (97, 197584), (106, 180808), (194, 98792), (212, 90404), (233, 82256), (388, 49396), (424, 45202), (466, 41128), (776, 24698), (848, 22601), (932, 20564), (1552, 12349), (1864, 10282), (3728, 5141)]