18206320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 80

約数和(自身を含む): 48934368

約数和(自身を除く): 30728048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1217, 1360, 1496, 1870, 2434, 2992, 3740, 4868, 6085, 7480, 9736, 12170, 13387, 14960, 19472, 20689, 24340, 26774, 41378, 48680, 53548, 66935, 82756, 97360, 103445, 107096, 133870, 165512, 206890, 214192, 227579, 267740, 331024, 413780, 455158, 535480, 827560, 910316, 1070960, 1137895, 1655120, 1820632, 2275790, 3641264, 4551580, 9103160, 18206320]

約数ペア:

[(1, 18206320), (2, 9103160), (4, 4551580), (5, 3641264), (8, 2275790), (10, 1820632), (11, 1655120), (16, 1137895), (17, 1070960), (20, 910316), (22, 827560), (34, 535480), (40, 455158), (44, 413780), (55, 331024), (68, 267740), (80, 227579), (85, 214192), (88, 206890), (110, 165512), (136, 133870), (170, 107096), (176, 103445), (187, 97360), (220, 82756), (272, 66935), (340, 53548), (374, 48680), (440, 41378), (680, 26774), (748, 24340), (880, 20689), (935, 19472), (1217, 14960), (1360, 13387), (1496, 12170), (1870, 9736), (2434, 7480), (2992, 6085), (3740, 4868)]