19395954

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 44155800

約数和(自身を除く): 24759846

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 73, 87, 146, 174, 219, 261, 438, 509, 522, 657, 1018, 1314, 1527, 2117, 3054, 4234, 4581, 6351, 9162, 12702, 14761, 19053, 29522, 37157, 38106, 44283, 74314, 88566, 111471, 132849, 222942, 265698, 334413, 668826, 1077553, 2155106, 3232659, 6465318, 9697977, 19395954]

約数ペア:

[(1, 19395954), (2, 9697977), (3, 6465318), (6, 3232659), (9, 2155106), (18, 1077553), (29, 668826), (58, 334413), (73, 265698), (87, 222942), (146, 132849), (174, 111471), (219, 88566), (261, 74314), (438, 44283), (509, 38106), (522, 37157), (657, 29522), (1018, 19053), (1314, 14761), (1527, 12702), (2117, 9162), (3054, 6351), (4234, 4581)]