18019680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 67350528

約数和(自身を除く): 49330848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 173, 186, 210, 217, 224, 240, 248, 280, 310, 336, 346, 372, 420, 434, 465, 480, 496, 519, 560, 620, 651, 672, 692, 744, 840, 865, 868, 930, 992, 1038, 1085, 1120, 1211, 1240, 1302, 1384, 1488, 1680, 1730, 1736, 1860, 2076, 2170, 2422, 2480, 2595, 2604, 2768, 2976, 3255, 3360, 3460, 3472, 3633, 3720, 4152, 4340, 4844, 4960, 5190, 5208, 5363, 5536, 6055, 6510, 6920, 6944, 7266, 7440, 8304, 8680, 9688, 10380, 10416, 10726, 12110, 13020, 13840, 14532, 14880, 16089, 16608, 17360, 18165, 19376, 20760, 20832, 21452, 24220, 26040, 26815, 27680, 29064, 32178, 34720, 36330, 37541, 38752, 41520, 42904, 48440, 52080, 53630, 58128, 64356, 72660, 75082, 80445, 83040, 85808, 96880, 104160, 107260, 112623, 116256, 128712, 145320, 150164, 160890, 171616, 187705, 193760, 214520, 225246, 257424, 290640, 300328, 321780, 375410, 429040, 450492, 514848, 563115, 581280, 600656, 643560, 750820, 858080, 900984, 1126230, 1201312, 1287120, 1501640, 1801968, 2252460, 2574240, 3003280, 3603936, 4504920, 6006560, 9009840, 18019680]

約数ペア:

[(1, 18019680), (2, 9009840), (3, 6006560), (4, 4504920), (5, 3603936), (6, 3003280), (7, 2574240), (8, 2252460), (10, 1801968), (12, 1501640), (14, 1287120), (15, 1201312), (16, 1126230), (20, 900984), (21, 858080), (24, 750820), (28, 643560), (30, 600656), (31, 581280), (32, 563115), (35, 514848), (40, 450492), (42, 429040), (48, 375410), (56, 321780), (60, 300328), (62, 290640), (70, 257424), (80, 225246), (84, 214520), (93, 193760), (96, 187705), (105, 171616), (112, 160890), (120, 150164), (124, 145320), (140, 128712), (155, 116256), (160, 112623), (168, 107260), (173, 104160), (186, 96880), (210, 85808), (217, 83040), (224, 80445), (240, 75082), (248, 72660), (280, 64356), (310, 58128), (336, 53630), (346, 52080), (372, 48440), (420, 42904), (434, 41520), (465, 38752), (480, 37541), (496, 36330), (519, 34720), (560, 32178), (620, 29064), (651, 27680), (672, 26815), (692, 26040), (744, 24220), (840, 21452), (865, 20832), (868, 20760), (930, 19376), (992, 18165), (1038, 17360), (1085, 16608), (1120, 16089), (1211, 14880), (1240, 14532), (1302, 13840), (1384, 13020), (1488, 12110), (1680, 10726), (1730, 10416), (1736, 10380), (1860, 9688), (2076, 8680), (2170, 8304), (2422, 7440), (2480, 7266), (2595, 6944), (2604, 6920), (2768, 6510), (2976, 6055), (3255, 5536), (3360, 5363), (3460, 5208), (3472, 5190), (3633, 4960), (3720, 4844), (4152, 4340)]