19866496

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11939}}^1$

素因数の和:11966

約数の個数: 32

約数和(自身を含む): 42625800

約数和(自身を除く): 22759304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11939, 23878, 47756, 95512, 155207, 191024, 310414, 382048, 620828, 764096, 1241656, 1528192, 2483312, 4966624, 9933248, 19866496]

約数ペア:

[(1, 19866496), (2, 9933248), (4, 4966624), (8, 2483312), (13, 1528192), (16, 1241656), (26, 764096), (32, 620828), (52, 382048), (64, 310414), (104, 191024), (128, 155207), (208, 95512), (416, 47756), (832, 23878), (1664, 11939)]