19450870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4500

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 19014410

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4451, 8902, 22255, 44510, 84569, 102373, 169138, 204746, 422845, 511865, 845690, 1023730, 1945087, 3890174, 9725435, 19450870]

約数ペア:

[(1, 19450870), (2, 9725435), (5, 3890174), (10, 1945087), (19, 1023730), (23, 845690), (38, 511865), (46, 422845), (95, 204746), (115, 169138), (190, 102373), (230, 84569), (437, 44510), (874, 22255), (2185, 8902), (4370, 4451)]