19826253

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:190

約数の個数: 36

約数和(自身を含む): 31905120

約数和(自身を除く): 12078867

約数列:

[1, 3, 9, 19, 23, 57, 69, 71, 171, 207, 213, 437, 639, 1311, 1349, 1633, 3933, 4047, 4899, 5041, 12141, 14697, 15123, 31027, 45369, 93081, 95779, 115943, 279243, 287337, 347829, 862011, 1043487, 2202917, 6608751, 19826253]

約数ペア:

[(1, 19826253), (3, 6608751), (9, 2202917), (19, 1043487), (23, 862011), (57, 347829), (69, 287337), (71, 279243), (171, 115943), (207, 95779), (213, 93081), (437, 45369), (639, 31027), (1311, 15123), (1349, 14697), (1633, 12141), (3933, 5041), (4047, 4899)]