18318400

素因数分解:

$2^6\times 5^2\times {\mathrm{107}}^2$

素因数の和:236

約数の個数: 63

約数和(自身を含む): 45499909

約数和(自身を除く): 27181509

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 107, 160, 200, 214, 320, 400, 428, 535, 800, 856, 1070, 1600, 1712, 2140, 2675, 3424, 4280, 5350, 6848, 8560, 10700, 11449, 17120, 21400, 22898, 34240, 42800, 45796, 57245, 85600, 91592, 114490, 171200, 183184, 228980, 286225, 366368, 457960, 572450, 732736, 915920, 1144900, 1831840, 2289800, 3663680, 4579600, 9159200, 18318400]

約数ペア:

[(1, 18318400), (2, 9159200), (4, 4579600), (5, 3663680), (8, 2289800), (10, 1831840), (16, 1144900), (20, 915920), (25, 732736), (32, 572450), (40, 457960), (50, 366368), (64, 286225), (80, 228980), (100, 183184), (107, 171200), (160, 114490), (200, 91592), (214, 85600), (320, 57245), (400, 45796), (428, 42800), (535, 34240), (800, 22898), (856, 21400), (1070, 17120), (1600, 11449), (1712, 10700), (2140, 8560), (2675, 6848), (3424, 5350)]