19318052

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^2$

素因数の和:129

約数の個数: 54

約数和(自身を含む): 39728934

約数和(自身を除く): 20410882

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 169, 221, 338, 442, 533, 676, 697, 884, 1066, 1394, 1681, 2132, 2788, 2873, 3362, 5746, 6724, 6929, 9061, 11492, 13858, 18122, 21853, 27716, 28577, 36244, 43706, 57154, 87412, 114308, 117793, 235586, 284089, 371501, 471172, 568178, 743002, 1136356, 1486004, 4829513, 9659026, 19318052]

約数ペア:

[(1, 19318052), (2, 9659026), (4, 4829513), (13, 1486004), (17, 1136356), (26, 743002), (34, 568178), (41, 471172), (52, 371501), (68, 284089), (82, 235586), (164, 117793), (169, 114308), (221, 87412), (338, 57154), (442, 43706), (533, 36244), (676, 28577), (697, 27716), (884, 21853), (1066, 18122), (1394, 13858), (1681, 11492), (2132, 9061), (2788, 6929), (2873, 6724), (3362, 5746)]