18817504986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{221471}}^1$

素因数の和:221524

約数の個数: 72

約数和(自身を含む): 46506462336

約数和(自身を除く): 27688957350

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 289, 294, 357, 578, 714, 833, 867, 1666, 1734, 2023, 2499, 4046, 4998, 6069, 12138, 14161, 28322, 42483, 84966, 221471, 442942, 664413, 1328826, 1550297, 3100594, 3765007, 4650891, 7530014, 9301782, 10852079, 11295021, 21704158, 22590042, 26355049, 32556237, 52710098, 64005119, 65112474, 79065147, 128010238, 158130294, 184485343, 192015357, 368970686, 384030714, 448035833, 553456029, 896071666, 1106912058, 1344107499, 2688214998, 3136250831, 6272501662, 9408752493, 18817504986]

約数ペア:

[(1, 18817504986), (2, 9408752493), (3, 6272501662), (6, 3136250831), (7, 2688214998), (14, 1344107499), (17, 1106912058), (21, 896071666), (34, 553456029), (42, 448035833), (49, 384030714), (51, 368970686), (98, 192015357), (102, 184485343), (119, 158130294), (147, 128010238), (238, 79065147), (289, 65112474), (294, 64005119), (357, 52710098), (578, 32556237), (714, 26355049), (833, 22590042), (867, 21704158), (1666, 11295021), (1734, 10852079), (2023, 9301782), (2499, 7530014), (4046, 4650891), (4998, 3765007), (6069, 3100594), (12138, 1550297), (14161, 1328826), (28322, 664413), (42483, 442942), (84966, 221471)]