38943236

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 72809100

約数和(自身を除く): 33865864

約数列:

[1, 2, 4, 19, 38, 76, 149, 181, 298, 361, 362, 596, 722, 724, 1444, 2831, 3439, 5662, 6878, 11324, 13756, 26969, 53789, 53938, 65341, 107578, 107876, 130682, 215156, 261364, 512411, 1024822, 2049644, 9735809, 19471618, 38943236]

約数ペア:

[(1, 38943236), (2, 19471618), (4, 9735809), (19, 2049644), (38, 1024822), (76, 512411), (149, 261364), (181, 215156), (298, 130682), (361, 107876), (362, 107578), (596, 65341), (722, 53938), (724, 53789), (1444, 26969), (2831, 13756), (3439, 11324), (5662, 6878)]