19971712

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4268

約数の個数: 32

約数和(自身を含む): 40872420

約数和(自身を除く): 20900708

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4217, 4736, 8434, 16868, 33736, 67472, 134944, 156029, 269888, 312058, 539776, 624116, 1248232, 2496464, 4992928, 9985856, 19971712]

約数ペア:

[(1, 19971712), (2, 9985856), (4, 4992928), (8, 2496464), (16, 1248232), (32, 624116), (37, 539776), (64, 312058), (74, 269888), (128, 156029), (148, 134944), (296, 67472), (592, 33736), (1184, 16868), (2368, 8434), (4217, 4736)]