19999438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{853}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 31666320

約数和(自身を除く): 11666882

約数列:

[1, 2, 19, 38, 617, 853, 1234, 1706, 11723, 16207, 23446, 32414, 526301, 1052602, 9999719, 19999438]

約数ペア:

[(1, 19999438), (2, 9999719), (19, 1052602), (38, 526301), (617, 32414), (853, 23446), (1234, 16207), (1706, 11723)]