18770252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 36

約数和(自身を含む): 35867160

約数和(自身を除く): 17096908

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 257, 514, 589, 961, 1028, 1178, 1922, 2356, 3844, 4883, 7967, 9766, 15934, 18259, 19532, 31868, 36518, 73036, 151373, 246977, 302746, 493954, 605492, 987908, 4692563, 9385126, 18770252]

約数ペア:

[(1, 18770252), (2, 9385126), (4, 4692563), (19, 987908), (31, 605492), (38, 493954), (62, 302746), (76, 246977), (124, 151373), (257, 73036), (514, 36518), (589, 31868), (961, 19532), (1028, 18259), (1178, 15934), (1922, 9766), (2356, 7967), (3844, 4883)]