19928475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12653}}^1$

素因数の和:12676

約数の個数: 36

約数和(自身を含む): 40796496

約数和(自身を除く): 20868021

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12653, 37959, 63265, 88571, 113877, 189795, 265713, 316325, 442855, 569385, 797139, 948975, 1328565, 2214275, 2846925, 3985695, 6642825, 19928475]

約数ペア:

[(1, 19928475), (3, 6642825), (5, 3985695), (7, 2846925), (9, 2214275), (15, 1328565), (21, 948975), (25, 797139), (35, 569385), (45, 442855), (63, 316325), (75, 265713), (105, 189795), (175, 113877), (225, 88571), (315, 63265), (525, 37959), (1575, 12653)]