20199578509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{648649}}^1$

素因数の和:648828

約数の個数: 16

約数和(自身を含む): 23351400000

約数和(自身を除く): 3151821491

約数列:

[1, 11, 19, 149, 209, 1639, 2831, 31141, 648649, 7135139, 12324331, 96648701, 135567641, 1063135711, 1836325319, 20199578509]

約数ペア:

[(1, 20199578509), (11, 1836325319), (19, 1063135711), (149, 135567641), (209, 96648701), (1639, 12324331), (2831, 7135139), (31141, 648649)]