18999872

素因数分解:

$2^6\times {\mathrm{29}}^2\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 42

約数和(自身を含む): 39158418

約数和(自身を除く): 20158546

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 353, 464, 706, 841, 928, 1412, 1682, 1856, 2824, 3364, 5648, 6728, 10237, 11296, 13456, 20474, 22592, 26912, 40948, 53824, 81896, 163792, 296873, 327584, 593746, 655168, 1187492, 2374984, 4749968, 9499936, 18999872]

約数ペア:

[(1, 18999872), (2, 9499936), (4, 4749968), (8, 2374984), (16, 1187492), (29, 655168), (32, 593746), (58, 327584), (64, 296873), (116, 163792), (232, 81896), (353, 53824), (464, 40948), (706, 26912), (841, 22592), (928, 20474), (1412, 13456), (1682, 11296), (1856, 10237), (2824, 6728), (3364, 5648)]