19008937077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{20269}}^1$

素因数の和:20597

約数の個数: 32

約数和(自身を含む): 27651523200

約数和(自身を除く): 8642586123

約数列:

[1, 3, 13, 39, 139, 173, 417, 519, 1807, 2249, 5421, 6747, 20269, 24047, 60807, 72141, 263497, 312611, 790491, 937833, 2817391, 3506537, 8452173, 10519611, 36626083, 45584981, 109878249, 136754943, 487408643, 1462225929, 6336312359, 19008937077]

約数ペア:

[(1, 19008937077), (3, 6336312359), (13, 1462225929), (39, 487408643), (139, 136754943), (173, 109878249), (417, 45584981), (519, 36626083), (1807, 10519611), (2249, 8452173), (5421, 3506537), (6747, 2817391), (20269, 937833), (24047, 790491), (60807, 312611), (72141, 263497)]