16661860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 20533340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 269, 326, 380, 538, 652, 815, 1076, 1345, 1630, 2690, 3097, 3260, 5111, 5380, 6194, 10222, 12388, 15485, 20444, 25555, 30970, 43847, 51110, 61940, 87694, 102220, 175388, 219235, 438470, 833093, 876940, 1666186, 3332372, 4165465, 8330930, 16661860]

約数ペア:

[(1, 16661860), (2, 8330930), (4, 4165465), (5, 3332372), (10, 1666186), (19, 876940), (20, 833093), (38, 438470), (76, 219235), (95, 175388), (163, 102220), (190, 87694), (269, 61940), (326, 51110), (380, 43847), (538, 30970), (652, 25555), (815, 20444), (1076, 15485), (1345, 12388), (1630, 10222), (2690, 6194), (3097, 5380), (3260, 5111)]