19946368

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11987}}^1$

素因数の和:12014

約数の個数: 32

約数和(自身を含む): 42797160

約数和(自身を除く): 22850792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11987, 23974, 47948, 95896, 155831, 191792, 311662, 383584, 623324, 767168, 1246648, 1534336, 2493296, 4986592, 9973184, 19946368]

約数ペア:

[(1, 19946368), (2, 9973184), (4, 4986592), (8, 2493296), (13, 1534336), (16, 1246648), (26, 767168), (32, 623324), (52, 383584), (64, 311662), (104, 191792), (128, 155831), (208, 95896), (416, 47948), (832, 23974), (1664, 11987)]