19429480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 53187840

約数和(自身を除く): 33758360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 431, 460, 490, 644, 805, 862, 920, 980, 1127, 1288, 1610, 1724, 1960, 2155, 2254, 3017, 3220, 3448, 4310, 4508, 5635, 6034, 6440, 8620, 9016, 9913, 11270, 12068, 15085, 17240, 19826, 21119, 22540, 24136, 30170, 39652, 42238, 45080, 49565, 60340, 69391, 79304, 84476, 99130, 105595, 120680, 138782, 168952, 198260, 211190, 277564, 346955, 396520, 422380, 485737, 555128, 693910, 844760, 971474, 1387820, 1942948, 2428685, 2775640, 3885896, 4857370, 9714740, 19429480]

約数ペア:

[(1, 19429480), (2, 9714740), (4, 4857370), (5, 3885896), (7, 2775640), (8, 2428685), (10, 1942948), (14, 1387820), (20, 971474), (23, 844760), (28, 693910), (35, 555128), (40, 485737), (46, 422380), (49, 396520), (56, 346955), (70, 277564), (92, 211190), (98, 198260), (115, 168952), (140, 138782), (161, 120680), (184, 105595), (196, 99130), (230, 84476), (245, 79304), (280, 69391), (322, 60340), (392, 49565), (431, 45080), (460, 42238), (490, 39652), (644, 30170), (805, 24136), (862, 22540), (920, 21119), (980, 19826), (1127, 17240), (1288, 15085), (1610, 12068), (1724, 11270), (1960, 9913), (2155, 9016), (2254, 8620), (3017, 6440), (3220, 6034), (3448, 5635), (4310, 4508)]