17998422220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{2503}}^1$

素因数の和:2807

約数の個数: 96

約数和(自身を含む): 40384512000

約数和(自身を除く): 22386089780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 149, 190, 254, 298, 380, 508, 596, 635, 745, 1270, 1490, 2413, 2503, 2540, 2831, 2980, 4826, 5006, 5662, 9652, 10012, 11324, 12065, 12515, 14155, 18923, 24130, 25030, 28310, 37846, 47557, 48260, 50060, 56620, 75692, 94615, 95114, 189230, 190228, 237785, 317881, 359537, 372947, 378460, 475570, 635762, 719074, 745894, 951140, 1271524, 1438148, 1491788, 1589405, 1797685, 1864735, 3178810, 3595370, 3729470, 6039739, 6357620, 7085993, 7190740, 7458940, 12079478, 14171986, 24158956, 28343972, 30198695, 35429965, 47364269, 60397390, 70859930, 94728538, 120794780, 141719860, 189457076, 236821345, 473642690, 899921111, 947285380, 1799842222, 3599684444, 4499605555, 8999211110, 17998422220]

約数ペア:

[(1, 17998422220), (2, 8999211110), (4, 4499605555), (5, 3599684444), (10, 1799842222), (19, 947285380), (20, 899921111), (38, 473642690), (76, 236821345), (95, 189457076), (127, 141719860), (149, 120794780), (190, 94728538), (254, 70859930), (298, 60397390), (380, 47364269), (508, 35429965), (596, 30198695), (635, 28343972), (745, 24158956), (1270, 14171986), (1490, 12079478), (2413, 7458940), (2503, 7190740), (2540, 7085993), (2831, 6357620), (2980, 6039739), (4826, 3729470), (5006, 3595370), (5662, 3178810), (9652, 1864735), (10012, 1797685), (11324, 1589405), (12065, 1491788), (12515, 1438148), (14155, 1271524), (18923, 951140), (24130, 745894), (25030, 719074), (28310, 635762), (37846, 475570), (47557, 378460), (48260, 372947), (50060, 359537), (56620, 317881), (75692, 237785), (94615, 190228), (95114, 189230)]