19386978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1249}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 42000000

約数和(自身を除く): 22613022

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1249, 2498, 2587, 3747, 5174, 7494, 7761, 15522, 16237, 32474, 48711, 97422, 248551, 497102, 745653, 1491306, 3231163, 6462326, 9693489, 19386978]

約数ペア:

[(1, 19386978), (2, 9693489), (3, 6462326), (6, 3231163), (13, 1491306), (26, 745653), (39, 497102), (78, 248551), (199, 97422), (398, 48711), (597, 32474), (1194, 16237), (1249, 15522), (2498, 7761), (2587, 7494), (3747, 5174)]