19679260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23866340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 239, 358, 460, 478, 716, 895, 956, 1195, 1790, 2390, 3580, 4117, 4780, 5497, 8234, 10994, 16468, 20585, 21988, 27485, 41170, 42781, 54970, 82340, 85562, 109940, 171124, 213905, 427810, 855620, 983963, 1967926, 3935852, 4919815, 9839630, 19679260]

約数ペア:

[(1, 19679260), (2, 9839630), (4, 4919815), (5, 3935852), (10, 1967926), (20, 983963), (23, 855620), (46, 427810), (92, 213905), (115, 171124), (179, 109940), (230, 85562), (239, 82340), (358, 54970), (460, 42781), (478, 41170), (716, 27485), (895, 21988), (956, 20585), (1195, 16468), (1790, 10994), (2390, 8234), (3580, 5497), (4117, 4780)]