18793736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9511}}^1$

素因数の和:9549

約数の個数: 32

約数和(自身を含む): 39950400

約数和(自身を除く): 21156664

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9511, 19022, 38044, 76088, 123643, 180709, 247286, 361418, 494572, 722836, 989144, 1445672, 2349217, 4698434, 9396868, 18793736]

約数ペア:

[(1, 18793736), (2, 9396868), (4, 4698434), (8, 2349217), (13, 1445672), (19, 989144), (26, 722836), (38, 494572), (52, 361418), (76, 247286), (104, 180709), (152, 123643), (247, 76088), (494, 38044), (988, 19022), (1976, 9511)]