18903583

素因数分解:

${\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 1417697

約数列:

[1, 31, 41, 107, 139, 1271, 3317, 4309, 4387, 5699, 14873, 135997, 176669, 461063, 609793, 18903583]

約数ペア:

[(1, 18903583), (31, 609793), (41, 461063), (107, 176669), (139, 135997), (1271, 14873), (3317, 5699), (4309, 4387)]