19924736

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{5987}}^1$

素因数の和:6016

約数の個数: 36

約数和(自身を含む): 42838152

約数和(自身を除く): 22913416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 5987, 11974, 23948, 47896, 77831, 95792, 155662, 191584, 311324, 383168, 622648, 766336, 1245296, 1532672, 2490592, 4981184, 9962368, 19924736]

約数ペア:

[(1, 19924736), (2, 9962368), (4, 4981184), (8, 2490592), (13, 1532672), (16, 1245296), (26, 766336), (32, 622648), (52, 383168), (64, 311324), (104, 191584), (128, 155662), (208, 95792), (256, 77831), (416, 47896), (832, 23948), (1664, 11974), (3328, 5987)]