19467135

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 35440416

約数和(自身を除く): 15973281

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 677, 1065, 1917, 2031, 3195, 3385, 5751, 6093, 9585, 10155, 18279, 28755, 30465, 48067, 54837, 91395, 144201, 240335, 274185, 432603, 721005, 1297809, 2163015, 3893427, 6489045, 19467135]

約数ペア:

[(1, 19467135), (3, 6489045), (5, 3893427), (9, 2163015), (15, 1297809), (27, 721005), (45, 432603), (71, 274185), (81, 240335), (135, 144201), (213, 91395), (355, 54837), (405, 48067), (639, 30465), (677, 28755), (1065, 18279), (1917, 10155), (2031, 9585), (3195, 6093), (3385, 5751)]