18654380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22713940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 379, 428, 460, 535, 758, 1070, 1516, 1895, 2140, 2461, 3790, 4922, 7580, 8717, 9844, 12305, 17434, 24610, 34868, 40553, 43585, 49220, 81106, 87170, 162212, 174340, 202765, 405530, 811060, 932719, 1865438, 3730876, 4663595, 9327190, 18654380]

約数ペア:

[(1, 18654380), (2, 9327190), (4, 4663595), (5, 3730876), (10, 1865438), (20, 932719), (23, 811060), (46, 405530), (92, 202765), (107, 174340), (115, 162212), (214, 87170), (230, 81106), (379, 49220), (428, 43585), (460, 40553), (535, 34868), (758, 24610), (1070, 17434), (1516, 12305), (1895, 9844), (2140, 8717), (2461, 7580), (3790, 4922)]