19676416

素因数分解:

$2^8\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 36

約数和(自身を含む): 39716964

約数和(自身を除く): 20040548

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 256, 404, 761, 808, 1522, 1616, 3044, 3232, 6088, 6464, 12176, 12928, 24352, 25856, 48704, 76861, 97408, 153722, 194816, 307444, 614888, 1229776, 2459552, 4919104, 9838208, 19676416]

約数ペア:

[(1, 19676416), (2, 9838208), (4, 4919104), (8, 2459552), (16, 1229776), (32, 614888), (64, 307444), (101, 194816), (128, 153722), (202, 97408), (256, 76861), (404, 48704), (761, 25856), (808, 24352), (1522, 12928), (1616, 12176), (3044, 6464), (3232, 6088)]