18689859340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40630129}}^1$

素因数の和:40630161

約数の個数: 24

約数和(自身を含む): 40955171040

約数和(自身を除く): 22265311700

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40630129, 81260258, 162520516, 203150645, 406301290, 812602580, 934492967, 1868985934, 3737971868, 4672464835, 9344929670, 18689859340]

約数ペア:

[(1, 18689859340), (2, 9344929670), (4, 4672464835), (5, 3737971868), (10, 1868985934), (20, 934492967), (23, 812602580), (46, 406301290), (92, 203150645), (115, 162520516), (230, 81260258), (460, 40630129)]