18506785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 25764480

約数和(自身を除く): 7257695

約数列:

[1, 5, 11, 29, 41, 55, 145, 205, 283, 319, 451, 1189, 1415, 1595, 2255, 3113, 5945, 8207, 11603, 13079, 15565, 41035, 58015, 65395, 90277, 127633, 336487, 451385, 638165, 1682435, 3701357, 18506785]

約数ペア:

[(1, 18506785), (5, 3701357), (11, 1682435), (29, 638165), (41, 451385), (55, 336487), (145, 127633), (205, 90277), (283, 65395), (319, 58015), (451, 41035), (1189, 15565), (1415, 13079), (1595, 11603), (2255, 8207), (3113, 5945)]