18445700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2061

約数の個数: 72

約数和(自身を含む): 49288512

約数和(自身を除く): 30842812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2027, 2275, 4054, 4550, 8108, 9100, 10135, 14189, 20270, 26351, 28378, 40540, 50675, 52702, 56756, 70945, 101350, 105404, 131755, 141890, 184457, 202700, 263510, 283780, 354725, 368914, 527020, 658775, 709450, 737828, 922285, 1317550, 1418900, 1844570, 2635100, 3689140, 4611425, 9222850, 18445700]

約数ペア:

[(1, 18445700), (2, 9222850), (4, 4611425), (5, 3689140), (7, 2635100), (10, 1844570), (13, 1418900), (14, 1317550), (20, 922285), (25, 737828), (26, 709450), (28, 658775), (35, 527020), (50, 368914), (52, 354725), (65, 283780), (70, 263510), (91, 202700), (100, 184457), (130, 141890), (140, 131755), (175, 105404), (182, 101350), (260, 70945), (325, 56756), (350, 52702), (364, 50675), (455, 40540), (650, 28378), (700, 26351), (910, 20270), (1300, 14189), (1820, 10135), (2027, 9100), (2275, 8108), (4054, 4550)]