18798500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 48432384

約数和(自身を除く): 29633884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 100, 125, 131, 140, 164, 175, 205, 250, 262, 287, 350, 410, 500, 524, 574, 655, 700, 820, 875, 917, 1025, 1148, 1310, 1435, 1750, 1834, 2050, 2620, 2870, 3275, 3500, 3668, 4100, 4585, 5125, 5371, 5740, 6550, 7175, 9170, 10250, 10742, 13100, 14350, 16375, 18340, 20500, 21484, 22925, 26855, 28700, 32750, 35875, 37597, 45850, 53710, 65500, 71750, 75194, 91700, 107420, 114625, 134275, 143500, 150388, 187985, 229250, 268550, 375970, 458500, 537100, 671375, 751940, 939925, 1342750, 1879850, 2685500, 3759700, 4699625, 9399250, 18798500]

約数ペア:

[(1, 18798500), (2, 9399250), (4, 4699625), (5, 3759700), (7, 2685500), (10, 1879850), (14, 1342750), (20, 939925), (25, 751940), (28, 671375), (35, 537100), (41, 458500), (50, 375970), (70, 268550), (82, 229250), (100, 187985), (125, 150388), (131, 143500), (140, 134275), (164, 114625), (175, 107420), (205, 91700), (250, 75194), (262, 71750), (287, 65500), (350, 53710), (410, 45850), (500, 37597), (524, 35875), (574, 32750), (655, 28700), (700, 26855), (820, 22925), (875, 21484), (917, 20500), (1025, 18340), (1148, 16375), (1310, 14350), (1435, 13100), (1750, 10742), (1834, 10250), (2050, 9170), (2620, 7175), (2870, 6550), (3275, 5740), (3500, 5371), (3668, 5125), (4100, 4585)]