19380874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 32472000

約数和(自身を除く): 13091126

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 409, 551, 817, 818, 1102, 1247, 1634, 2494, 7771, 11861, 15542, 17587, 23693, 23722, 35174, 47386, 225359, 334153, 450718, 510023, 668306, 1020046, 9690437, 19380874]

約数ペア:

[(1, 19380874), (2, 9690437), (19, 1020046), (29, 668306), (38, 510023), (43, 450718), (58, 334153), (86, 225359), (409, 47386), (551, 35174), (817, 23722), (818, 23693), (1102, 17587), (1247, 15542), (1634, 11861), (2494, 7771)]