19843964

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 23121028

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 887, 1316, 1598, 1774, 3196, 3548, 5593, 6209, 11186, 12418, 15079, 22372, 24836, 30158, 41689, 60316, 83378, 105553, 166756, 211106, 291823, 422212, 583646, 708713, 1167292, 1417426, 2834852, 4960991, 9921982, 19843964]

約数ペア:

[(1, 19843964), (2, 9921982), (4, 4960991), (7, 2834852), (14, 1417426), (17, 1167292), (28, 708713), (34, 583646), (47, 422212), (68, 291823), (94, 211106), (119, 166756), (188, 105553), (238, 83378), (329, 60316), (476, 41689), (658, 30158), (799, 24836), (887, 22372), (1316, 15079), (1598, 12418), (1774, 11186), (3196, 6209), (3548, 5593)]