19142000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:603

約数の個数: 80

約数和(自身を含む): 49095072

約数和(自身を除く): 29953072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 563, 680, 850, 1000, 1126, 1360, 1700, 2000, 2125, 2252, 2815, 3400, 4250, 4504, 5630, 6800, 8500, 9008, 9571, 11260, 14075, 17000, 19142, 22520, 28150, 34000, 38284, 45040, 47855, 56300, 70375, 76568, 95710, 112600, 140750, 153136, 191420, 225200, 239275, 281500, 382840, 478550, 563000, 765680, 957100, 1126000, 1196375, 1914200, 2392750, 3828400, 4785500, 9571000, 19142000]

約数ペア:

[(1, 19142000), (2, 9571000), (4, 4785500), (5, 3828400), (8, 2392750), (10, 1914200), (16, 1196375), (17, 1126000), (20, 957100), (25, 765680), (34, 563000), (40, 478550), (50, 382840), (68, 281500), (80, 239275), (85, 225200), (100, 191420), (125, 153136), (136, 140750), (170, 112600), (200, 95710), (250, 76568), (272, 70375), (340, 56300), (400, 47855), (425, 45040), (500, 38284), (563, 34000), (680, 28150), (850, 22520), (1000, 19142), (1126, 17000), (1360, 14075), (1700, 11260), (2000, 9571), (2125, 9008), (2252, 8500), (2815, 6800), (3400, 5630), (4250, 4504)]