19258011

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 28588560

約数和(自身を除く): 9330549

約数列:

[1, 3, 9, 67, 109, 201, 293, 327, 603, 879, 981, 2637, 7303, 19631, 21909, 31937, 58893, 65727, 95811, 176679, 287433, 2139779, 6419337, 19258011]

約数ペア:

[(1, 19258011), (3, 6419337), (9, 2139779), (67, 287433), (109, 176679), (201, 95811), (293, 65727), (327, 58893), (603, 31937), (879, 21909), (981, 19631), (2637, 7303)]