219780486988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67252291}}^1$

素因数の和:67252357

約数の個数: 24

約数和(自身を含む): 414274118720

約数和(自身を除く): 194493631732

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 67252291, 134504582, 269009164, 1277793529, 2555587058, 2891848513, 5111174116, 5783697026, 11567394052, 54945121747, 109890243494, 219780486988]

約数ペア:

[(1, 219780486988), (2, 109890243494), (4, 54945121747), (19, 11567394052), (38, 5783697026), (43, 5111174116), (76, 2891848513), (86, 2555587058), (172, 1277793529), (817, 269009164), (1634, 134504582), (3268, 67252291)]