17940416

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{21563}}^1$

素因数の和:21588

約数の個数: 28

約数和(自身を含む): 38340792

約数和(自身を除く): 20400376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 21563, 43126, 86252, 172504, 280319, 345008, 560638, 690016, 1121276, 1380032, 2242552, 4485104, 8970208, 17940416]

約数ペア:

[(1, 17940416), (2, 8970208), (4, 4485104), (8, 2242552), (13, 1380032), (16, 1121276), (26, 690016), (32, 560638), (52, 345008), (64, 280319), (104, 172504), (208, 86252), (416, 43126), (832, 21563)]