19818060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{593}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 55683936

約数和(自身を除く): 35865876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 593, 1114, 1186, 1671, 1779, 2228, 2372, 2785, 2965, 3342, 3558, 5570, 5930, 6684, 7116, 8355, 8895, 11140, 11860, 16710, 17790, 33420, 35580, 330301, 660602, 990903, 1321204, 1651505, 1981806, 3303010, 3963612, 4954515, 6606020, 9909030, 19818060]

約数ペア:

[(1, 19818060), (2, 9909030), (3, 6606020), (4, 4954515), (5, 3963612), (6, 3303010), (10, 1981806), (12, 1651505), (15, 1321204), (20, 990903), (30, 660602), (60, 330301), (557, 35580), (593, 33420), (1114, 17790), (1186, 16710), (1671, 11860), (1779, 11140), (2228, 8895), (2372, 8355), (2785, 7116), (2965, 6684), (3342, 5930), (3558, 5570)]