19828160

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 112

約数和(自身を含む): 53108352

約数和(自身を除く): 33280192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 131, 160, 172, 176, 215, 220, 262, 320, 344, 352, 430, 440, 473, 524, 655, 688, 704, 860, 880, 946, 1048, 1310, 1376, 1441, 1720, 1760, 1892, 2096, 2365, 2620, 2752, 2882, 3440, 3520, 3784, 4192, 4730, 5240, 5633, 5764, 6880, 7205, 7568, 8384, 9460, 10480, 11266, 11528, 13760, 14410, 15136, 18920, 20960, 22532, 23056, 28165, 28820, 30272, 37840, 41920, 45064, 46112, 56330, 57640, 61963, 75680, 90128, 92224, 112660, 115280, 123926, 151360, 180256, 225320, 230560, 247852, 309815, 360512, 450640, 461120, 495704, 619630, 901280, 991408, 1239260, 1802560, 1982816, 2478520, 3965632, 4957040, 9914080, 19828160]

約数ペア:

[(1, 19828160), (2, 9914080), (4, 4957040), (5, 3965632), (8, 2478520), (10, 1982816), (11, 1802560), (16, 1239260), (20, 991408), (22, 901280), (32, 619630), (40, 495704), (43, 461120), (44, 450640), (55, 360512), (64, 309815), (80, 247852), (86, 230560), (88, 225320), (110, 180256), (131, 151360), (160, 123926), (172, 115280), (176, 112660), (215, 92224), (220, 90128), (262, 75680), (320, 61963), (344, 57640), (352, 56330), (430, 46112), (440, 45064), (473, 41920), (524, 37840), (655, 30272), (688, 28820), (704, 28165), (860, 23056), (880, 22532), (946, 20960), (1048, 18920), (1310, 15136), (1376, 14410), (1441, 13760), (1720, 11528), (1760, 11266), (1892, 10480), (2096, 9460), (2365, 8384), (2620, 7568), (2752, 7205), (2882, 6880), (3440, 5764), (3520, 5633), (3784, 5240), (4192, 4730)]