18792725

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:99

約数の個数: 54

約数和(自身を含む): 29314530

約数和(自身を除く): 10521805

約数列:

[1, 5, 7, 23, 25, 29, 35, 49, 115, 145, 161, 175, 203, 245, 529, 575, 667, 725, 805, 1015, 1127, 1225, 1421, 2645, 3335, 3703, 4025, 4669, 5075, 5635, 7105, 13225, 15341, 16675, 18515, 23345, 25921, 28175, 32683, 35525, 76705, 92575, 107387, 116725, 129605, 163415, 383525, 536935, 648025, 751709, 817075, 2684675, 3758545, 18792725]

約数ペア:

[(1, 18792725), (5, 3758545), (7, 2684675), (23, 817075), (25, 751709), (29, 648025), (35, 536935), (49, 383525), (115, 163415), (145, 129605), (161, 116725), (175, 107387), (203, 92575), (245, 76705), (529, 35525), (575, 32683), (667, 28175), (725, 25921), (805, 23345), (1015, 18515), (1127, 16675), (1225, 15341), (1421, 13225), (2645, 7105), (3335, 5635), (3703, 5075), (4025, 4669)]