19821915

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2879}}^1$

素因数の和:2913

約数の個数: 40

約数和(自身を含む): 37635840

約数和(自身を除く): 17813925

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2879, 6885, 8637, 14395, 25911, 43185, 48943, 77733, 129555, 146829, 233199, 244715, 388665, 440487, 734145, 1165995, 1321461, 2202435, 3964383, 6607305, 19821915]

約数ペア:

[(1, 19821915), (3, 6607305), (5, 3964383), (9, 2202435), (15, 1321461), (17, 1165995), (27, 734145), (45, 440487), (51, 388665), (81, 244715), (85, 233199), (135, 146829), (153, 129555), (255, 77733), (405, 48943), (459, 43185), (765, 25911), (1377, 14395), (2295, 8637), (2879, 6885)]