19311240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12379}}^1$

素因数の和:12406

約数の個数: 64

約数和(自身を含む): 62395200

約数和(自身を除く): 43083960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12379, 24758, 37137, 49516, 61895, 74274, 99032, 123790, 148548, 160927, 185685, 247580, 297096, 321854, 371370, 482781, 495160, 643708, 742740, 804635, 965562, 1287416, 1485480, 1609270, 1931124, 2413905, 3218540, 3862248, 4827810, 6437080, 9655620, 19311240]

約数ペア:

[(1, 19311240), (2, 9655620), (3, 6437080), (4, 4827810), (5, 3862248), (6, 3218540), (8, 2413905), (10, 1931124), (12, 1609270), (13, 1485480), (15, 1287416), (20, 965562), (24, 804635), (26, 742740), (30, 643708), (39, 495160), (40, 482781), (52, 371370), (60, 321854), (65, 297096), (78, 247580), (104, 185685), (120, 160927), (130, 148548), (156, 123790), (195, 99032), (260, 74274), (312, 61895), (390, 49516), (520, 37137), (780, 24758), (1560, 12379)]