19709360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22397}}^1$

素因数の和:22421

約数の個数: 40

約数和(自身を含む): 49992336

約数和(自身を除く): 30282976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22397, 44794, 89588, 111985, 179176, 223970, 246367, 358352, 447940, 492734, 895880, 985468, 1231835, 1791760, 1970936, 2463670, 3941872, 4927340, 9854680, 19709360]

約数ペア:

[(1, 19709360), (2, 9854680), (4, 4927340), (5, 3941872), (8, 2463670), (10, 1970936), (11, 1791760), (16, 1231835), (20, 985468), (22, 895880), (40, 492734), (44, 447940), (55, 358352), (80, 246367), (88, 223970), (110, 179176), (176, 111985), (220, 89588), (440, 44794), (880, 22397)]