19948950

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2111}}^1$

素因数の和:2139

約数の個数: 96

約数和(自身を含む): 62853120

約数和(自身を除く): 42904170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2111, 3150, 4222, 4725, 6333, 9450, 10555, 12666, 14777, 18999, 21110, 29554, 31665, 37998, 44331, 52775, 56997, 63330, 73885, 88662, 94995, 105550, 113994, 132993, 147770, 158325, 189990, 221655, 265986, 284985, 316650, 369425, 398979, 443310, 474975, 569970, 664965, 738850, 797958, 949950, 1108275, 1329930, 1424925, 1994895, 2216550, 2849850, 3324825, 3989790, 6649650, 9974475, 19948950]

約数ペア:

[(1, 19948950), (2, 9974475), (3, 6649650), (5, 3989790), (6, 3324825), (7, 2849850), (9, 2216550), (10, 1994895), (14, 1424925), (15, 1329930), (18, 1108275), (21, 949950), (25, 797958), (27, 738850), (30, 664965), (35, 569970), (42, 474975), (45, 443310), (50, 398979), (54, 369425), (63, 316650), (70, 284985), (75, 265986), (90, 221655), (105, 189990), (126, 158325), (135, 147770), (150, 132993), (175, 113994), (189, 105550), (210, 94995), (225, 88662), (270, 73885), (315, 63330), (350, 56997), (378, 52775), (450, 44331), (525, 37998), (630, 31665), (675, 29554), (945, 21110), (1050, 18999), (1350, 14777), (1575, 12666), (1890, 10555), (2111, 9450), (3150, 6333), (4222, 4725)]