19673740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 45400320

約数和(自身を除く): 25726580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2251, 4370, 4502, 8740, 9004, 11255, 22510, 42769, 45020, 51773, 85538, 103546, 171076, 207092, 213845, 258865, 427690, 517730, 855380, 983687, 1035460, 1967374, 3934748, 4918435, 9836870, 19673740]

約数ペア:

[(1, 19673740), (2, 9836870), (4, 4918435), (5, 3934748), (10, 1967374), (19, 1035460), (20, 983687), (23, 855380), (38, 517730), (46, 427690), (76, 258865), (92, 213845), (95, 207092), (115, 171076), (190, 103546), (230, 85538), (380, 51773), (437, 45020), (460, 42769), (874, 22510), (1748, 11255), (2185, 9004), (2251, 8740), (4370, 4502)]