19877272

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4027}}^1$

素因数の和:4650

約数の個数: 16

約数和(自身を含む): 37339560

約数和(自身を除く): 17462288

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4027, 4936, 8054, 16108, 32216, 2484659, 4969318, 9938636, 19877272]

約数ペア:

[(1, 19877272), (2, 9938636), (4, 4969318), (8, 2484659), (617, 32216), (1234, 16108), (2468, 8054), (4027, 4936)]