19902526

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 36936000

約数和(自身を除く): 17033474

約数列:

[1, 2, 7, 14, 29, 47, 49, 58, 94, 98, 149, 203, 298, 329, 406, 658, 1043, 1363, 1421, 2086, 2303, 2726, 2842, 4321, 4606, 7003, 7301, 8642, 9541, 14006, 14602, 19082, 30247, 49021, 60494, 66787, 98042, 133574, 203087, 211729, 343147, 406174, 423458, 686294, 1421609, 2843218, 9951263, 19902526]

約数ペア:

[(1, 19902526), (2, 9951263), (7, 2843218), (14, 1421609), (29, 686294), (47, 423458), (49, 406174), (58, 343147), (94, 211729), (98, 203087), (149, 133574), (203, 98042), (298, 66787), (329, 60494), (406, 49021), (658, 30247), (1043, 19082), (1363, 14602), (1421, 14006), (2086, 9541), (2303, 8642), (2726, 7301), (2842, 7003), (4321, 4606)]