19944375

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 36288384

約数和(自身を除く): 16344009

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 967, 1375, 1875, 2901, 4125, 4835, 6875, 10637, 14505, 20625, 24175, 31911, 53185, 72525, 120875, 159555, 265925, 362625, 604375, 797775, 1329625, 1813125, 3988875, 6648125, 19944375]

約数ペア:

[(1, 19944375), (3, 6648125), (5, 3988875), (11, 1813125), (15, 1329625), (25, 797775), (33, 604375), (55, 362625), (75, 265925), (125, 159555), (165, 120875), (275, 72525), (375, 53185), (625, 31911), (825, 24175), (967, 20625), (1375, 14505), (1875, 10637), (2901, 6875), (4125, 4835)]