19649760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 69092352

約数和(自身を除く): 49442592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 65, 67, 78, 80, 94, 96, 104, 120, 130, 134, 141, 156, 160, 188, 195, 201, 208, 235, 240, 260, 268, 282, 312, 335, 376, 390, 402, 416, 470, 480, 520, 536, 564, 611, 624, 670, 705, 752, 780, 804, 871, 940, 1005, 1040, 1072, 1128, 1222, 1248, 1340, 1410, 1504, 1560, 1608, 1742, 1833, 1880, 2010, 2080, 2144, 2256, 2444, 2613, 2680, 2820, 3055, 3120, 3149, 3216, 3484, 3666, 3760, 4020, 4355, 4512, 4888, 5226, 5360, 5640, 6110, 6240, 6298, 6432, 6968, 7332, 7520, 8040, 8710, 9165, 9447, 9776, 10452, 10720, 11280, 12220, 12596, 13065, 13936, 14664, 15745, 16080, 17420, 18330, 18894, 19552, 20904, 22560, 24440, 25192, 26130, 27872, 29328, 31490, 32160, 34840, 36660, 37788, 40937, 41808, 47235, 48880, 50384, 52260, 58656, 62980, 69680, 73320, 75576, 81874, 83616, 94470, 97760, 100768, 104520, 122811, 125960, 139360, 146640, 151152, 163748, 188940, 204685, 209040, 245622, 251920, 293280, 302304, 327496, 377880, 409370, 418080, 491244, 503840, 614055, 654992, 755760, 818740, 982488, 1228110, 1309984, 1511520, 1637480, 1964976, 2456220, 3274960, 3929952, 4912440, 6549920, 9824880, 19649760]

約数ペア:

[(1, 19649760), (2, 9824880), (3, 6549920), (4, 4912440), (5, 3929952), (6, 3274960), (8, 2456220), (10, 1964976), (12, 1637480), (13, 1511520), (15, 1309984), (16, 1228110), (20, 982488), (24, 818740), (26, 755760), (30, 654992), (32, 614055), (39, 503840), (40, 491244), (47, 418080), (48, 409370), (52, 377880), (60, 327496), (65, 302304), (67, 293280), (78, 251920), (80, 245622), (94, 209040), (96, 204685), (104, 188940), (120, 163748), (130, 151152), (134, 146640), (141, 139360), (156, 125960), (160, 122811), (188, 104520), (195, 100768), (201, 97760), (208, 94470), (235, 83616), (240, 81874), (260, 75576), (268, 73320), (282, 69680), (312, 62980), (335, 58656), (376, 52260), (390, 50384), (402, 48880), (416, 47235), (470, 41808), (480, 40937), (520, 37788), (536, 36660), (564, 34840), (611, 32160), (624, 31490), (670, 29328), (705, 27872), (752, 26130), (780, 25192), (804, 24440), (871, 22560), (940, 20904), (1005, 19552), (1040, 18894), (1072, 18330), (1128, 17420), (1222, 16080), (1248, 15745), (1340, 14664), (1410, 13936), (1504, 13065), (1560, 12596), (1608, 12220), (1742, 11280), (1833, 10720), (1880, 10452), (2010, 9776), (2080, 9447), (2144, 9165), (2256, 8710), (2444, 8040), (2613, 7520), (2680, 7332), (2820, 6968), (3055, 6432), (3120, 6298), (3149, 6240), (3216, 6110), (3484, 5640), (3666, 5360), (3760, 5226), (4020, 4888), (4355, 4512)]