19303920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{331}}^1$

素因数の和:362

約数の個数: 140

約数和(自身を含む): 67494936

約数和(自身を除く): 48191016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 331, 360, 405, 432, 486, 540, 648, 662, 720, 729, 810, 972, 993, 1080, 1215, 1296, 1324, 1458, 1620, 1655, 1944, 1986, 2160, 2430, 2648, 2916, 2979, 3240, 3310, 3645, 3888, 3972, 4860, 4965, 5296, 5832, 5958, 6480, 6620, 7290, 7944, 8937, 9720, 9930, 11664, 11916, 13240, 14580, 14895, 15888, 17874, 19440, 19860, 23832, 26480, 26811, 29160, 29790, 35748, 39720, 44685, 47664, 53622, 58320, 59580, 71496, 79440, 80433, 89370, 107244, 119160, 134055, 142992, 160866, 178740, 214488, 238320, 241299, 268110, 321732, 357480, 402165, 428976, 482598, 536220, 643464, 714960, 804330, 965196, 1072440, 1206495, 1286928, 1608660, 1930392, 2144880, 2412990, 3217320, 3860784, 4825980, 6434640, 9651960, 19303920]

約数ペア:

[(1, 19303920), (2, 9651960), (3, 6434640), (4, 4825980), (5, 3860784), (6, 3217320), (8, 2412990), (9, 2144880), (10, 1930392), (12, 1608660), (15, 1286928), (16, 1206495), (18, 1072440), (20, 965196), (24, 804330), (27, 714960), (30, 643464), (36, 536220), (40, 482598), (45, 428976), (48, 402165), (54, 357480), (60, 321732), (72, 268110), (80, 241299), (81, 238320), (90, 214488), (108, 178740), (120, 160866), (135, 142992), (144, 134055), (162, 119160), (180, 107244), (216, 89370), (240, 80433), (243, 79440), (270, 71496), (324, 59580), (331, 58320), (360, 53622), (405, 47664), (432, 44685), (486, 39720), (540, 35748), (648, 29790), (662, 29160), (720, 26811), (729, 26480), (810, 23832), (972, 19860), (993, 19440), (1080, 17874), (1215, 15888), (1296, 14895), (1324, 14580), (1458, 13240), (1620, 11916), (1655, 11664), (1944, 9930), (1986, 9720), (2160, 8937), (2430, 7944), (2648, 7290), (2916, 6620), (2979, 6480), (3240, 5958), (3310, 5832), (3645, 5296), (3888, 4965), (3972, 4860)]