1640291318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{520067}}^1$

素因数の和:520171

約数の個数: 16

約数和(自身を含む): 2621142720

約数和(自身を除く): 980851402

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 520067, 1040134, 9881273, 19762546, 43165561, 86331122, 820145659, 1640291318]

約数ペア:

[(1, 1640291318), (2, 820145659), (19, 86331122), (38, 43165561), (83, 19762546), (166, 9881273), (1577, 1040134), (3154, 520067)]