19131390

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7873}}^1$

素因数の和:7895

約数の個数: 48

約数和(自身を含む): 51590448

約数和(自身を除く): 32459058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7873, 15746, 23619, 39365, 47238, 70857, 78730, 118095, 141714, 212571, 236190, 354285, 425142, 637713, 708570, 1062855, 1275426, 1913139, 2125710, 3188565, 3826278, 6377130, 9565695, 19131390]

約数ペア:

[(1, 19131390), (2, 9565695), (3, 6377130), (5, 3826278), (6, 3188565), (9, 2125710), (10, 1913139), (15, 1275426), (18, 1062855), (27, 708570), (30, 637713), (45, 425142), (54, 354285), (81, 236190), (90, 212571), (135, 141714), (162, 118095), (243, 78730), (270, 70857), (405, 47238), (486, 39365), (810, 23619), (1215, 15746), (2430, 7873)]