19515405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 42142464

約数和(自身を除く): 22627059

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 29, 35, 39, 51, 65, 85, 87, 91, 105, 119, 145, 195, 203, 221, 255, 273, 357, 377, 435, 455, 493, 595, 609, 663, 841, 1015, 1105, 1131, 1365, 1479, 1547, 1785, 1885, 2465, 2523, 2639, 3045, 3315, 3451, 4205, 4641, 5655, 5887, 6409, 7395, 7735, 7917, 10353, 10933, 12615, 13195, 14297, 17255, 17661, 19227, 23205, 29435, 32045, 32799, 39585, 42891, 44863, 51765, 54665, 71485, 76531, 88305, 96135, 100079, 134589, 163995, 185861, 214455, 224315, 229593, 300237, 382655, 500395, 557583, 672945, 929305, 1147965, 1301027, 1501185, 2787915, 3903081, 6505135, 19515405]

約数ペア:

[(1, 19515405), (3, 6505135), (5, 3903081), (7, 2787915), (13, 1501185), (15, 1301027), (17, 1147965), (21, 929305), (29, 672945), (35, 557583), (39, 500395), (51, 382655), (65, 300237), (85, 229593), (87, 224315), (91, 214455), (105, 185861), (119, 163995), (145, 134589), (195, 100079), (203, 96135), (221, 88305), (255, 76531), (273, 71485), (357, 54665), (377, 51765), (435, 44863), (455, 42891), (493, 39585), (595, 32799), (609, 32045), (663, 29435), (841, 23205), (1015, 19227), (1105, 17661), (1131, 17255), (1365, 14297), (1479, 13195), (1547, 12615), (1785, 10933), (1885, 10353), (2465, 7917), (2523, 7735), (2639, 7395), (3045, 6409), (3315, 5887), (3451, 5655), (4205, 4641)]