19997614

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5783}}^1$

素因数の和:5824

約数の個数: 32

約数和(自身を含む): 38868480

約数和(自身を除く): 18870866

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5783, 11566, 40481, 75179, 80962, 109877, 150358, 219754, 526253, 769139, 1052506, 1428401, 1538278, 2856802, 9998807, 19997614]

約数ペア:

[(1, 19997614), (2, 9998807), (7, 2856802), (13, 1538278), (14, 1428401), (19, 1052506), (26, 769139), (38, 526253), (91, 219754), (133, 150358), (182, 109877), (247, 80962), (266, 75179), (494, 40481), (1729, 11566), (3458, 5783)]