19221027

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 12113373

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 719, 1273, 1407, 2157, 3819, 5033, 8911, 13661, 15099, 26733, 40983, 48173, 95627, 144519, 286881, 337211, 915287, 1011633, 2745861, 6407009, 19221027]

約数ペア:

[(1, 19221027), (3, 6407009), (7, 2745861), (19, 1011633), (21, 915287), (57, 337211), (67, 286881), (133, 144519), (201, 95627), (399, 48173), (469, 40983), (719, 26733), (1273, 15099), (1407, 13661), (2157, 8911), (3819, 5033)]