19616896

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11789}}^1$

素因数の和:11816

約数の個数: 32

約数和(自身を含む): 42090300

約数和(自身を除く): 22473404

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11789, 23578, 47156, 94312, 153257, 188624, 306514, 377248, 613028, 754496, 1226056, 1508992, 2452112, 4904224, 9808448, 19616896]

約数ペア:

[(1, 19616896), (2, 9808448), (4, 4904224), (8, 2452112), (13, 1508992), (16, 1226056), (26, 754496), (32, 613028), (52, 377248), (64, 306514), (104, 188624), (128, 153257), (208, 94312), (416, 47156), (832, 23578), (1664, 11789)]