18997072185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{143477}}^1$

素因数の和:143602

約数の個数: 64

約数和(自身を含む): 37795548672

約数和(自身を除く): 18798476487

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 97, 105, 195, 273, 291, 455, 485, 679, 1261, 1365, 1455, 2037, 3395, 3783, 6305, 8827, 10185, 18915, 26481, 44135, 132405, 143477, 430431, 717385, 1004339, 1865201, 2152155, 3013017, 5021695, 5595603, 9326005, 13056407, 13917269, 15065085, 27978015, 39169221, 41751807, 65282035, 69586345, 97420883, 180924497, 195846105, 208759035, 292262649, 487104415, 542773491, 904622485, 1266471479, 1461313245, 2713867455, 3799414437, 6332357395, 18997072185]

約数ペア:

[(1, 18997072185), (3, 6332357395), (5, 3799414437), (7, 2713867455), (13, 1461313245), (15, 1266471479), (21, 904622485), (35, 542773491), (39, 487104415), (65, 292262649), (91, 208759035), (97, 195846105), (105, 180924497), (195, 97420883), (273, 69586345), (291, 65282035), (455, 41751807), (485, 39169221), (679, 27978015), (1261, 15065085), (1365, 13917269), (1455, 13056407), (2037, 9326005), (3395, 5595603), (3783, 5021695), (6305, 3013017), (8827, 2152155), (10185, 1865201), (18915, 1004339), (26481, 717385), (44135, 430431), (132405, 143477)]