17877972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 47892992

約数和(自身を除く): 30015020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 643, 662, 993, 1286, 1324, 1929, 1986, 2317, 2572, 3858, 3972, 4501, 4634, 6951, 7716, 9002, 9268, 13503, 13902, 18004, 27006, 27804, 54012, 212833, 425666, 638499, 851332, 1276998, 1489831, 2553996, 2979662, 4469493, 5959324, 8938986, 17877972]

約数ペア:

[(1, 17877972), (2, 8938986), (3, 5959324), (4, 4469493), (6, 2979662), (7, 2553996), (12, 1489831), (14, 1276998), (21, 851332), (28, 638499), (42, 425666), (84, 212833), (331, 54012), (643, 27804), (662, 27006), (993, 18004), (1286, 13902), (1324, 13503), (1929, 9268), (1986, 9002), (2317, 7716), (2572, 6951), (3858, 4634), (3972, 4501)]