19871964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78857}}^1$

素因数の和:78874

約数の個数: 36

約数和(自身を含む): 57408624

約数和(自身を除く): 37536660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78857, 157714, 236571, 315428, 473142, 551999, 709713, 946284, 1103998, 1419426, 1655997, 2207996, 2838852, 3311994, 4967991, 6623988, 9935982, 19871964]

約数ペア:

[(1, 19871964), (2, 9935982), (3, 6623988), (4, 4967991), (6, 3311994), (7, 2838852), (9, 2207996), (12, 1655997), (14, 1419426), (18, 1103998), (21, 946284), (28, 709713), (36, 551999), (42, 473142), (63, 315428), (84, 236571), (126, 157714), (252, 78857)]