19441240

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 55440000

約数和(自身を除く): 35998760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 109, 130, 140, 182, 196, 218, 245, 260, 280, 343, 364, 392, 436, 455, 490, 520, 545, 637, 686, 728, 763, 872, 910, 980, 1090, 1274, 1372, 1417, 1526, 1715, 1820, 1960, 2180, 2548, 2744, 2834, 3052, 3185, 3430, 3640, 3815, 4360, 4459, 5096, 5341, 5668, 6104, 6370, 6860, 7085, 7630, 8918, 9919, 10682, 11336, 12740, 13720, 14170, 15260, 17836, 19838, 21364, 22295, 25480, 26705, 28340, 30520, 35672, 37387, 39676, 42728, 44590, 49595, 53410, 56680, 69433, 74774, 79352, 89180, 99190, 106820, 138866, 149548, 178360, 186935, 198380, 213640, 277732, 299096, 347165, 373870, 396760, 486031, 555464, 694330, 747740, 972062, 1388660, 1495480, 1944124, 2430155, 2777320, 3888248, 4860310, 9720620, 19441240]

約数ペア:

[(1, 19441240), (2, 9720620), (4, 4860310), (5, 3888248), (7, 2777320), (8, 2430155), (10, 1944124), (13, 1495480), (14, 1388660), (20, 972062), (26, 747740), (28, 694330), (35, 555464), (40, 486031), (49, 396760), (52, 373870), (56, 347165), (65, 299096), (70, 277732), (91, 213640), (98, 198380), (104, 186935), (109, 178360), (130, 149548), (140, 138866), (182, 106820), (196, 99190), (218, 89180), (245, 79352), (260, 74774), (280, 69433), (343, 56680), (364, 53410), (392, 49595), (436, 44590), (455, 42728), (490, 39676), (520, 37387), (545, 35672), (637, 30520), (686, 28340), (728, 26705), (763, 25480), (872, 22295), (910, 21364), (980, 19838), (1090, 17836), (1274, 15260), (1372, 14170), (1417, 13720), (1526, 12740), (1715, 11336), (1820, 10682), (1960, 9919), (2180, 8918), (2548, 7630), (2744, 7085), (2834, 6860), (3052, 6370), (3185, 6104), (3430, 5668), (3640, 5341), (3815, 5096), (4360, 4459)]