19039005

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 34369920

約数和(自身を除く): 15330915

約数列:

[1, 3, 5, 9, 15, 45, 59, 71, 101, 177, 213, 295, 303, 355, 505, 531, 639, 885, 909, 1065, 1515, 2655, 3195, 4189, 4545, 5959, 7171, 12567, 17877, 20945, 21513, 29795, 35855, 37701, 53631, 62835, 64539, 89385, 107565, 188505, 268155, 322695, 423089, 1269267, 2115445, 3807801, 6346335, 19039005]

約数ペア:

[(1, 19039005), (3, 6346335), (5, 3807801), (9, 2115445), (15, 1269267), (45, 423089), (59, 322695), (71, 268155), (101, 188505), (177, 107565), (213, 89385), (295, 64539), (303, 62835), (355, 53631), (505, 37701), (531, 35855), (639, 29795), (885, 21513), (909, 20945), (1065, 17877), (1515, 12567), (2655, 7171), (3195, 5959), (4189, 4545)]