18031988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18251}}^1$

素因数の和:18287

約数の個数: 24

約数和(自身を含む): 35773920

約数和(自身を除く): 17741932

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 18251, 36502, 73004, 237263, 346769, 474526, 693538, 949052, 1387076, 4507997, 9015994, 18031988]

約数ペア:

[(1, 18031988), (2, 9015994), (4, 4507997), (13, 1387076), (19, 949052), (26, 693538), (38, 474526), (52, 346769), (76, 237263), (247, 73004), (494, 36502), (988, 18251)]