19907010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{593}}^1$

素因数の和:979

約数の個数: 48

約数和(自身を含む): 51984504

約数和(自身を除く): 32077494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 593, 746, 1119, 1186, 1779, 1865, 2238, 2965, 3357, 3558, 3730, 5337, 5595, 5930, 6714, 8895, 10674, 11190, 16785, 17790, 26685, 33570, 53370, 221189, 442378, 663567, 1105945, 1327134, 1990701, 2211890, 3317835, 3981402, 6635670, 9953505, 19907010]

約数ペア:

[(1, 19907010), (2, 9953505), (3, 6635670), (5, 3981402), (6, 3317835), (9, 2211890), (10, 1990701), (15, 1327134), (18, 1105945), (30, 663567), (45, 442378), (90, 221189), (373, 53370), (593, 33570), (746, 26685), (1119, 17790), (1186, 16785), (1779, 11190), (1865, 10674), (2238, 8895), (2965, 6714), (3357, 5930), (3558, 5595), (3730, 5337)]