17938850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 36694080

約数和(自身を除く): 18755230

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 190, 230, 437, 475, 575, 821, 874, 950, 1150, 1642, 2185, 4105, 4370, 8210, 10925, 15599, 18883, 20525, 21850, 31198, 37766, 41050, 77995, 94415, 155990, 188830, 358777, 389975, 472075, 717554, 779950, 944150, 1793885, 3587770, 8969425, 17938850]

約数ペア:

[(1, 17938850), (2, 8969425), (5, 3587770), (10, 1793885), (19, 944150), (23, 779950), (25, 717554), (38, 472075), (46, 389975), (50, 358777), (95, 188830), (115, 155990), (190, 94415), (230, 77995), (437, 41050), (475, 37766), (575, 31198), (821, 21850), (874, 20525), (950, 18883), (1150, 15599), (1642, 10925), (2185, 8210), (4105, 4370)]