19179315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 36961920

約数和(自身を除く): 17782605

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 61, 85, 135, 137, 153, 183, 255, 305, 411, 459, 549, 685, 765, 915, 1037, 1233, 1647, 2055, 2295, 2329, 2745, 3111, 3699, 5185, 6165, 6987, 8235, 8357, 9333, 11645, 15555, 18495, 20961, 25071, 27999, 34935, 41785, 46665, 62883, 75213, 104805, 125355, 139995, 142069, 225639, 314415, 376065, 426207, 710345, 1128195, 1278621, 2131035, 3835863, 6393105, 19179315]

約数ペア:

[(1, 19179315), (3, 6393105), (5, 3835863), (9, 2131035), (15, 1278621), (17, 1128195), (27, 710345), (45, 426207), (51, 376065), (61, 314415), (85, 225639), (135, 142069), (137, 139995), (153, 125355), (183, 104805), (255, 75213), (305, 62883), (411, 46665), (459, 41785), (549, 34935), (685, 27999), (765, 25071), (915, 20961), (1037, 18495), (1233, 15555), (1647, 11645), (2055, 9333), (2295, 8357), (2329, 8235), (2745, 6987), (3111, 6165), (3699, 5185)]