19508215080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{431}}^1\times {\mathrm{1087}}^1$

素因数の和:1879

約数の個数: 128

約数和(自身を含む): 58883604480

約数和(自身を除く): 39375389400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 431, 694, 862, 1041, 1087, 1293, 1388, 1724, 1735, 2082, 2155, 2174, 2586, 2776, 3261, 3448, 3470, 4164, 4310, 4348, 5172, 5205, 5435, 6465, 6522, 6940, 8328, 8620, 8696, 10344, 10410, 10870, 12930, 13044, 13880, 16305, 17240, 20820, 21740, 25860, 26088, 32610, 41640, 43480, 51720, 65220, 130440, 149557, 299114, 377189, 448671, 468497, 598228, 747785, 754378, 897342, 936994, 1131567, 1196456, 1405491, 1495570, 1508756, 1794684, 1873988, 1885945, 2243355, 2263134, 2342485, 2810982, 2991140, 3017512, 3589368, 3747976, 3771890, 4486710, 4526268, 4684970, 5621964, 5657835, 5982280, 7027455, 7543780, 8973420, 9052536, 9369940, 11243928, 11315670, 14054910, 15087560, 17946840, 18739880, 22631340, 28109820, 45262680, 56219640, 162568459, 325136918, 487705377, 650273836, 812842295, 975410754, 1300547672, 1625684590, 1950821508, 2438526885, 3251369180, 3901643016, 4877053770, 6502738360, 9754107540, 19508215080]

約数ペア:

[(1, 19508215080), (2, 9754107540), (3, 6502738360), (4, 4877053770), (5, 3901643016), (6, 3251369180), (8, 2438526885), (10, 1950821508), (12, 1625684590), (15, 1300547672), (20, 975410754), (24, 812842295), (30, 650273836), (40, 487705377), (60, 325136918), (120, 162568459), (347, 56219640), (431, 45262680), (694, 28109820), (862, 22631340), (1041, 18739880), (1087, 17946840), (1293, 15087560), (1388, 14054910), (1724, 11315670), (1735, 11243928), (2082, 9369940), (2155, 9052536), (2174, 8973420), (2586, 7543780), (2776, 7027455), (3261, 5982280), (3448, 5657835), (3470, 5621964), (4164, 4684970), (4310, 4526268), (4348, 4486710), (5172, 3771890), (5205, 3747976), (5435, 3589368), (6465, 3017512), (6522, 2991140), (6940, 2810982), (8328, 2342485), (8620, 2263134), (8696, 2243355), (10344, 1885945), (10410, 1873988), (10870, 1794684), (12930, 1508756), (13044, 1495570), (13880, 1405491), (16305, 1196456), (17240, 1131567), (20820, 936994), (21740, 897342), (25860, 754378), (26088, 747785), (32610, 598228), (41640, 468497), (43480, 448671), (51720, 377189), (65220, 299114), (130440, 149557)]