19097715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 39868416

約数和(自身を除く): 20770701

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 823, 1105, 1365, 1547, 1785, 2469, 3315, 4115, 4641, 5761, 7735, 10699, 12345, 13991, 17283, 23205, 28805, 32097, 41973, 53495, 69955, 74893, 86415, 97937, 160485, 181883, 209865, 224679, 293811, 374465, 489685, 545649, 909415, 1123395, 1273181, 1469055, 2728245, 3819543, 6365905, 19097715]

約数ペア:

[(1, 19097715), (3, 6365905), (5, 3819543), (7, 2728245), (13, 1469055), (15, 1273181), (17, 1123395), (21, 909415), (35, 545649), (39, 489685), (51, 374465), (65, 293811), (85, 224679), (91, 209865), (105, 181883), (119, 160485), (195, 97937), (221, 86415), (255, 74893), (273, 69955), (357, 53495), (455, 41973), (595, 32097), (663, 28805), (823, 23205), (1105, 17283), (1365, 13991), (1547, 12345), (1785, 10699), (2469, 7735), (3315, 5761), (4115, 4641)]