18226000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:737

約数の個数: 80

約数和(自身を含む): 47528208

約数和(自身を除く): 29302208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 701, 1000, 1040, 1300, 1402, 1625, 2000, 2600, 2804, 3250, 3505, 5200, 5608, 6500, 7010, 9113, 11216, 13000, 14020, 17525, 18226, 26000, 28040, 35050, 36452, 45565, 56080, 70100, 72904, 87625, 91130, 140200, 145808, 175250, 182260, 227825, 280400, 350500, 364520, 455650, 701000, 729040, 911300, 1139125, 1402000, 1822600, 2278250, 3645200, 4556500, 9113000, 18226000]

約数ペア:

[(1, 18226000), (2, 9113000), (4, 4556500), (5, 3645200), (8, 2278250), (10, 1822600), (13, 1402000), (16, 1139125), (20, 911300), (25, 729040), (26, 701000), (40, 455650), (50, 364520), (52, 350500), (65, 280400), (80, 227825), (100, 182260), (104, 175250), (125, 145808), (130, 140200), (200, 91130), (208, 87625), (250, 72904), (260, 70100), (325, 56080), (400, 45565), (500, 36452), (520, 35050), (650, 28040), (701, 26000), (1000, 18226), (1040, 17525), (1300, 14020), (1402, 13000), (1625, 11216), (2000, 9113), (2600, 7010), (2804, 6500), (3250, 5608), (3505, 5200)]