19691178

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6823}}^1$

素因数の和:6878

約数の個数: 32

約数和(自身を含む): 43564416

約数和(自身を除く): 23873238

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 6823, 13646, 20469, 40938, 88699, 177398, 252451, 266097, 504902, 532194, 757353, 1514706, 3281863, 6563726, 9845589, 19691178]

約数ペア:

[(1, 19691178), (2, 9845589), (3, 6563726), (6, 3281863), (13, 1514706), (26, 757353), (37, 532194), (39, 504902), (74, 266097), (78, 252451), (111, 177398), (222, 88699), (481, 40938), (962, 20469), (1443, 13646), (2886, 6823)]