18715760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1798

約数の個数: 80

約数和(自身を含む): 52377600

約数和(自身を除く): 33661840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1759, 2128, 2660, 3518, 5320, 7036, 8795, 10640, 12313, 14072, 17590, 24626, 28144, 33421, 35180, 49252, 61565, 66842, 70360, 98504, 123130, 133684, 140720, 167105, 197008, 233947, 246260, 267368, 334210, 467894, 492520, 534736, 668420, 935788, 985040, 1169735, 1336840, 1871576, 2339470, 2673680, 3743152, 4678940, 9357880, 18715760]

約数ペア:

[(1, 18715760), (2, 9357880), (4, 4678940), (5, 3743152), (7, 2673680), (8, 2339470), (10, 1871576), (14, 1336840), (16, 1169735), (19, 985040), (20, 935788), (28, 668420), (35, 534736), (38, 492520), (40, 467894), (56, 334210), (70, 267368), (76, 246260), (80, 233947), (95, 197008), (112, 167105), (133, 140720), (140, 133684), (152, 123130), (190, 98504), (266, 70360), (280, 66842), (304, 61565), (380, 49252), (532, 35180), (560, 33421), (665, 28144), (760, 24626), (1064, 17590), (1330, 14072), (1520, 12313), (1759, 10640), (2128, 8795), (2660, 7036), (3518, 5320)]