19425189

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 31186944

約数和(自身を除く): 11761755

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 563, 651, 1113, 1643, 1689, 3941, 4929, 11501, 11823, 17453, 29839, 34503, 52359, 89517, 122171, 208873, 366513, 626619, 925009, 2775027, 6475063, 19425189]

約数ペア:

[(1, 19425189), (3, 6475063), (7, 2775027), (21, 925009), (31, 626619), (53, 366513), (93, 208873), (159, 122171), (217, 89517), (371, 52359), (563, 34503), (651, 29839), (1113, 17453), (1643, 11823), (1689, 11501), (3941, 4929)]