19381760

素因数分解:

$2^9\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 47581776

約数和(自身を除く): 28200016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 113, 128, 134, 160, 226, 256, 268, 320, 335, 452, 512, 536, 565, 640, 670, 904, 1072, 1130, 1280, 1340, 1808, 2144, 2260, 2560, 2680, 3616, 4288, 4520, 5360, 7232, 7571, 8576, 9040, 10720, 14464, 15142, 17152, 18080, 21440, 28928, 30284, 34304, 36160, 37855, 42880, 57856, 60568, 72320, 75710, 85760, 121136, 144640, 151420, 171520, 242272, 289280, 302840, 484544, 605680, 969088, 1211360, 1938176, 2422720, 3876352, 4845440, 9690880, 19381760]

約数ペア:

[(1, 19381760), (2, 9690880), (4, 4845440), (5, 3876352), (8, 2422720), (10, 1938176), (16, 1211360), (20, 969088), (32, 605680), (40, 484544), (64, 302840), (67, 289280), (80, 242272), (113, 171520), (128, 151420), (134, 144640), (160, 121136), (226, 85760), (256, 75710), (268, 72320), (320, 60568), (335, 57856), (452, 42880), (512, 37855), (536, 36160), (565, 34304), (640, 30284), (670, 28928), (904, 21440), (1072, 18080), (1130, 17152), (1280, 15142), (1340, 14464), (1808, 10720), (2144, 9040), (2260, 8576), (2560, 7571), (2680, 7232), (3616, 5360), (4288, 4520)]