19074720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{811}}^1$

素因数の和:843

約数の個数: 144

約数和(自身を含む): 69981408

約数和(自身を除く): 50906688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 811, 840, 980, 1120, 1176, 1470, 1568, 1622, 1680, 1960, 2352, 2433, 2940, 3244, 3360, 3920, 4055, 4704, 4866, 5677, 5880, 6488, 7840, 8110, 9732, 11354, 11760, 12165, 12976, 16220, 17031, 19464, 22708, 23520, 24330, 25952, 28385, 32440, 34062, 38928, 39739, 45416, 48660, 56770, 64880, 68124, 77856, 79478, 85155, 90832, 97320, 113540, 119217, 129760, 136248, 158956, 170310, 181664, 194640, 198695, 227080, 238434, 272496, 317912, 340620, 389280, 397390, 454160, 476868, 544992, 596085, 635824, 681240, 794780, 908320, 953736, 1192170, 1271648, 1362480, 1589560, 1907472, 2384340, 2724960, 3179120, 3814944, 4768680, 6358240, 9537360, 19074720]

約数ペア:

[(1, 19074720), (2, 9537360), (3, 6358240), (4, 4768680), (5, 3814944), (6, 3179120), (7, 2724960), (8, 2384340), (10, 1907472), (12, 1589560), (14, 1362480), (15, 1271648), (16, 1192170), (20, 953736), (21, 908320), (24, 794780), (28, 681240), (30, 635824), (32, 596085), (35, 544992), (40, 476868), (42, 454160), (48, 397390), (49, 389280), (56, 340620), (60, 317912), (70, 272496), (80, 238434), (84, 227080), (96, 198695), (98, 194640), (105, 181664), (112, 170310), (120, 158956), (140, 136248), (147, 129760), (160, 119217), (168, 113540), (196, 97320), (210, 90832), (224, 85155), (240, 79478), (245, 77856), (280, 68124), (294, 64880), (336, 56770), (392, 48660), (420, 45416), (480, 39739), (490, 38928), (560, 34062), (588, 32440), (672, 28385), (735, 25952), (784, 24330), (811, 23520), (840, 22708), (980, 19464), (1120, 17031), (1176, 16220), (1470, 12976), (1568, 12165), (1622, 11760), (1680, 11354), (1960, 9732), (2352, 8110), (2433, 7840), (2940, 6488), (3244, 5880), (3360, 5677), (3920, 4866), (4055, 4704)]