19540260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108557}}^1$

素因数の和:108572

約数の個数: 36

約数和(自身を含む): 59272668

約数和(自身を除く): 39732408

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108557, 217114, 325671, 434228, 542785, 651342, 977013, 1085570, 1302684, 1628355, 1954026, 2171140, 3256710, 3908052, 4885065, 6513420, 9770130, 19540260]

約数ペア:

[(1, 19540260), (2, 9770130), (3, 6513420), (4, 4885065), (5, 3908052), (6, 3256710), (9, 2171140), (10, 1954026), (12, 1628355), (15, 1302684), (18, 1085570), (20, 977013), (30, 651342), (36, 542785), (45, 434228), (60, 325671), (90, 217114), (180, 108557)]