19279088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70879}}^1$

素因数の和:70904

約数の個数: 20

約数和(自身を含む): 39551040

約数和(自身を除く): 20271952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70879, 141758, 283516, 567032, 1134064, 1204943, 2409886, 4819772, 9639544, 19279088]

約数ペア:

[(1, 19279088), (2, 9639544), (4, 4819772), (8, 2409886), (16, 1204943), (17, 1134064), (34, 567032), (68, 283516), (136, 141758), (272, 70879)]