18131015

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 8189881

約数列:

[1, 5, 7, 23, 35, 101, 115, 161, 223, 505, 707, 805, 1115, 1561, 2323, 3535, 5129, 7805, 11615, 16261, 22523, 25645, 35903, 81305, 112615, 157661, 179515, 518029, 788305, 2590145, 3626203, 18131015]

約数ペア:

[(1, 18131015), (5, 3626203), (7, 2590145), (23, 788305), (35, 518029), (101, 179515), (115, 157661), (161, 112615), (223, 81305), (505, 35903), (707, 25645), (805, 22523), (1115, 16261), (1561, 11615), (2323, 7805), (3535, 5129)]