18561917240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20175997}}^1$

素因数の和:20176031

約数の個数: 32

約数和(自身を含む): 43580155680

約数和(自身を除く): 25018238440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20175997, 40351994, 80703988, 100879985, 161407976, 201759970, 403519940, 464047931, 807039880, 928095862, 1856191724, 2320239655, 3712383448, 4640479310, 9280958620, 18561917240]

約数ペア:

[(1, 18561917240), (2, 9280958620), (4, 4640479310), (5, 3712383448), (8, 2320239655), (10, 1856191724), (20, 928095862), (23, 807039880), (40, 464047931), (46, 403519940), (92, 201759970), (115, 161407976), (184, 100879985), (230, 80703988), (460, 40351994), (920, 20175997)]