19285920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 47937600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 227, 236, 240, 288, 295, 354, 360, 454, 472, 480, 531, 590, 681, 708, 720, 885, 908, 944, 1062, 1135, 1180, 1362, 1416, 1440, 1770, 1816, 1888, 2043, 2124, 2270, 2360, 2655, 2724, 2832, 3405, 3540, 3632, 4086, 4248, 4540, 4720, 5310, 5448, 5664, 6810, 7080, 7264, 8172, 8496, 9080, 9440, 10215, 10620, 10896, 13393, 13620, 14160, 16344, 16992, 18160, 20430, 21240, 21792, 26786, 27240, 28320, 32688, 36320, 40179, 40860, 42480, 53572, 54480, 65376, 66965, 80358, 81720, 84960, 107144, 108960, 120537, 133930, 160716, 163440, 200895, 214288, 241074, 267860, 321432, 326880, 401790, 428576, 482148, 535720, 602685, 642864, 803580, 964296, 1071440, 1205370, 1285728, 1607160, 1928592, 2142880, 2410740, 3214320, 3857184, 4821480, 6428640, 9642960, 19285920]

約数ペア:

[(1, 19285920), (2, 9642960), (3, 6428640), (4, 4821480), (5, 3857184), (6, 3214320), (8, 2410740), (9, 2142880), (10, 1928592), (12, 1607160), (15, 1285728), (16, 1205370), (18, 1071440), (20, 964296), (24, 803580), (30, 642864), (32, 602685), (36, 535720), (40, 482148), (45, 428576), (48, 401790), (59, 326880), (60, 321432), (72, 267860), (80, 241074), (90, 214288), (96, 200895), (118, 163440), (120, 160716), (144, 133930), (160, 120537), (177, 108960), (180, 107144), (227, 84960), (236, 81720), (240, 80358), (288, 66965), (295, 65376), (354, 54480), (360, 53572), (454, 42480), (472, 40860), (480, 40179), (531, 36320), (590, 32688), (681, 28320), (708, 27240), (720, 26786), (885, 21792), (908, 21240), (944, 20430), (1062, 18160), (1135, 16992), (1180, 16344), (1362, 14160), (1416, 13620), (1440, 13393), (1770, 10896), (1816, 10620), (1888, 10215), (2043, 9440), (2124, 9080), (2270, 8496), (2360, 8172), (2655, 7264), (2724, 7080), (2832, 6810), (3405, 5664), (3540, 5448), (3632, 5310), (4086, 4720), (4248, 4540)]