19444005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3631}}^1$

素因数の和:3666

約数の個数: 48

約数和(自身を含む): 40794624

約数和(自身を除く): 21350619

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 3631, 5355, 10893, 18155, 25417, 32679, 54465, 61727, 76251, 127085, 163395, 185181, 228753, 308635, 381255, 432089, 555543, 925905, 1143765, 1296267, 2160445, 2777715, 3888801, 6481335, 19444005]

約数ペア:

[(1, 19444005), (3, 6481335), (5, 3888801), (7, 2777715), (9, 2160445), (15, 1296267), (17, 1143765), (21, 925905), (35, 555543), (45, 432089), (51, 381255), (63, 308635), (85, 228753), (105, 185181), (119, 163395), (153, 127085), (255, 76251), (315, 61727), (357, 54465), (595, 32679), (765, 25417), (1071, 18155), (1785, 10893), (3631, 5355)]