18934575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 15884625

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 59, 75, 165, 177, 275, 295, 389, 649, 825, 885, 1167, 1475, 1945, 1947, 3245, 4279, 4425, 5835, 9725, 9735, 12837, 16225, 21395, 22951, 29175, 48675, 64185, 68853, 106975, 114755, 252461, 320925, 344265, 573775, 757383, 1262305, 1721325, 3786915, 6311525, 18934575]

約数ペア:

[(1, 18934575), (3, 6311525), (5, 3786915), (11, 1721325), (15, 1262305), (25, 757383), (33, 573775), (55, 344265), (59, 320925), (75, 252461), (165, 114755), (177, 106975), (275, 68853), (295, 64185), (389, 48675), (649, 29175), (825, 22951), (885, 21395), (1167, 16225), (1475, 12837), (1945, 9735), (1947, 9725), (3245, 5835), (4279, 4425)]