17961915738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{21277}}^1$

素因数の和:21511

約数の個数: 64

約数和(自身を含む): 39464732160

約数和(自身を除く): 21502816422

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 137, 158, 237, 274, 411, 474, 822, 1027, 1781, 2054, 3081, 3562, 5343, 6162, 10686, 10823, 21277, 21646, 32469, 42554, 63831, 64938, 127662, 140699, 276601, 281398, 422097, 553202, 829803, 844194, 1659606, 1680883, 2914949, 3361766, 5042649, 5829898, 8744847, 10085298, 17489694, 21851479, 37894337, 43702958, 65554437, 75788674, 113683011, 131108874, 227366022, 230280971, 460561942, 690842913, 1381685826, 2993652623, 5987305246, 8980957869, 17961915738]

約数ペア:

[(1, 17961915738), (2, 8980957869), (3, 5987305246), (6, 2993652623), (13, 1381685826), (26, 690842913), (39, 460561942), (78, 230280971), (79, 227366022), (137, 131108874), (158, 113683011), (237, 75788674), (274, 65554437), (411, 43702958), (474, 37894337), (822, 21851479), (1027, 17489694), (1781, 10085298), (2054, 8744847), (3081, 5829898), (3562, 5042649), (5343, 3361766), (6162, 2914949), (10686, 1680883), (10823, 1659606), (21277, 844194), (21646, 829803), (32469, 553202), (42554, 422097), (63831, 281398), (64938, 276601), (127662, 140699)]