19087240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20747}}^1$

素因数の和:20781

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 25728440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 20747, 41494, 82988, 103735, 165976, 207470, 414940, 477181, 829880, 954362, 1908724, 2385905, 3817448, 4771810, 9543620, 19087240]

約数ペア:

[(1, 19087240), (2, 9543620), (4, 4771810), (5, 3817448), (8, 2385905), (10, 1908724), (20, 954362), (23, 829880), (40, 477181), (46, 414940), (92, 207470), (115, 165976), (184, 103735), (230, 82988), (460, 41494), (920, 20747)]