19894560

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 74317824

約数和(自身を除く): 54423264

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, 186, 191, 210, 217, 224, 240, 248, 280, 310, 336, 372, 382, 420, 434, 465, 480, 496, 560, 573, 620, 651, 672, 744, 764, 840, 868, 930, 955, 992, 1085, 1120, 1146, 1240, 1302, 1337, 1488, 1528, 1680, 1736, 1860, 1910, 2170, 2292, 2480, 2604, 2674, 2865, 2976, 3056, 3255, 3360, 3472, 3720, 3820, 4011, 4340, 4584, 4960, 5208, 5348, 5730, 5921, 6112, 6510, 6685, 6944, 7440, 7640, 8022, 8680, 9168, 10416, 10696, 11460, 11842, 13020, 13370, 14880, 15280, 16044, 17360, 17763, 18336, 20055, 20832, 21392, 22920, 23684, 26040, 26740, 29605, 30560, 32088, 34720, 35526, 40110, 41447, 42784, 45840, 47368, 52080, 53480, 59210, 64176, 71052, 80220, 82894, 88815, 91680, 94736, 104160, 106960, 118420, 124341, 128352, 142104, 160440, 165788, 177630, 189472, 207235, 213920, 236840, 248682, 284208, 320880, 331576, 355260, 414470, 473680, 497364, 568416, 621705, 641760, 663152, 710520, 828940, 947360, 994728, 1243410, 1326304, 1421040, 1657880, 1989456, 2486820, 2842080, 3315760, 3978912, 4973640, 6631520, 9947280, 19894560]

約数ペア:

[(1, 19894560), (2, 9947280), (3, 6631520), (4, 4973640), (5, 3978912), (6, 3315760), (7, 2842080), (8, 2486820), (10, 1989456), (12, 1657880), (14, 1421040), (15, 1326304), (16, 1243410), (20, 994728), (21, 947360), (24, 828940), (28, 710520), (30, 663152), (31, 641760), (32, 621705), (35, 568416), (40, 497364), (42, 473680), (48, 414470), (56, 355260), (60, 331576), (62, 320880), (70, 284208), (80, 248682), (84, 236840), (93, 213920), (96, 207235), (105, 189472), (112, 177630), (120, 165788), (124, 160440), (140, 142104), (155, 128352), (160, 124341), (168, 118420), (186, 106960), (191, 104160), (210, 94736), (217, 91680), (224, 88815), (240, 82894), (248, 80220), (280, 71052), (310, 64176), (336, 59210), (372, 53480), (382, 52080), (420, 47368), (434, 45840), (465, 42784), (480, 41447), (496, 40110), (560, 35526), (573, 34720), (620, 32088), (651, 30560), (672, 29605), (744, 26740), (764, 26040), (840, 23684), (868, 22920), (930, 21392), (955, 20832), (992, 20055), (1085, 18336), (1120, 17763), (1146, 17360), (1240, 16044), (1302, 15280), (1337, 14880), (1488, 13370), (1528, 13020), (1680, 11842), (1736, 11460), (1860, 10696), (1910, 10416), (2170, 9168), (2292, 8680), (2480, 8022), (2604, 7640), (2674, 7440), (2865, 6944), (2976, 6685), (3056, 6510), (3255, 6112), (3360, 5921), (3472, 5730), (3720, 5348), (3820, 5208), (4011, 4960), (4340, 4584)]