19853280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:849

約数の個数: 144

約数和(自身を含む): 71823024

約数和(自身を除く): 51969744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 811, 816, 1020, 1224, 1360, 1440, 1530, 1622, 1632, 2040, 2433, 2448, 2720, 3060, 3244, 4055, 4080, 4866, 4896, 6120, 6488, 7299, 8110, 8160, 9732, 12165, 12240, 12976, 13787, 14598, 16220, 19464, 24330, 24480, 25952, 27574, 29196, 32440, 36495, 38928, 41361, 48660, 55148, 58392, 64880, 68935, 72990, 77856, 82722, 97320, 110296, 116784, 124083, 129760, 137870, 145980, 165444, 194640, 206805, 220592, 233568, 248166, 275740, 291960, 330888, 389280, 413610, 441184, 496332, 551480, 583920, 620415, 661776, 827220, 992664, 1102960, 1167840, 1240830, 1323552, 1654440, 1985328, 2205920, 2481660, 3308880, 3970656, 4963320, 6617760, 9926640, 19853280]

約数ペア:

[(1, 19853280), (2, 9926640), (3, 6617760), (4, 4963320), (5, 3970656), (6, 3308880), (8, 2481660), (9, 2205920), (10, 1985328), (12, 1654440), (15, 1323552), (16, 1240830), (17, 1167840), (18, 1102960), (20, 992664), (24, 827220), (30, 661776), (32, 620415), (34, 583920), (36, 551480), (40, 496332), (45, 441184), (48, 413610), (51, 389280), (60, 330888), (68, 291960), (72, 275740), (80, 248166), (85, 233568), (90, 220592), (96, 206805), (102, 194640), (120, 165444), (136, 145980), (144, 137870), (153, 129760), (160, 124083), (170, 116784), (180, 110296), (204, 97320), (240, 82722), (255, 77856), (272, 72990), (288, 68935), (306, 64880), (340, 58392), (360, 55148), (408, 48660), (480, 41361), (510, 38928), (544, 36495), (612, 32440), (680, 29196), (720, 27574), (765, 25952), (811, 24480), (816, 24330), (1020, 19464), (1224, 16220), (1360, 14598), (1440, 13787), (1530, 12976), (1622, 12240), (1632, 12165), (2040, 9732), (2433, 8160), (2448, 8110), (2720, 7299), (3060, 6488), (3244, 6120), (4055, 4896), (4080, 4866)]