219937844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{413417}}^1$

素因数の和:413447

約数の個数: 24

約数和(自身を含む): 463028160

約数和(自身を除く): 243090316

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 413417, 826834, 1653668, 2893919, 5787838, 7854923, 11575676, 15709846, 31419692, 54984461, 109968922, 219937844]

約数ペア:

[(1, 219937844), (2, 109968922), (4, 54984461), (7, 31419692), (14, 15709846), (19, 11575676), (28, 7854923), (38, 5787838), (76, 2893919), (133, 1653668), (266, 826834), (532, 413417)]