19898775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6803}}^1$

素因数の和:6832

約数の個数: 36

約数和(自身を含む): 38388168

約数和(自身を除く): 18489393

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6803, 20409, 34015, 61227, 88439, 102045, 170075, 265317, 306135, 442195, 510225, 795951, 1326585, 1530675, 2210975, 3979755, 6632925, 19898775]

約数ペア:

[(1, 19898775), (3, 6632925), (5, 3979755), (9, 2210975), (13, 1530675), (15, 1326585), (25, 795951), (39, 510225), (45, 442195), (65, 306135), (75, 265317), (117, 170075), (195, 102045), (225, 88439), (325, 61227), (585, 34015), (975, 20409), (2925, 6803)]