18199935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 34673184

約数和(自身を除く): 16473249

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 159, 195, 265, 477, 585, 587, 689, 795, 1761, 2067, 2385, 2935, 3445, 5283, 6201, 7631, 8805, 10335, 22893, 26415, 31005, 31111, 38155, 68679, 93333, 114465, 155555, 279999, 343395, 404443, 466665, 1213329, 1399995, 2022215, 3639987, 6066645, 18199935]

約数ペア:

[(1, 18199935), (3, 6066645), (5, 3639987), (9, 2022215), (13, 1399995), (15, 1213329), (39, 466665), (45, 404443), (53, 343395), (65, 279999), (117, 155555), (159, 114465), (195, 93333), (265, 68679), (477, 38155), (585, 31111), (587, 31005), (689, 26415), (795, 22893), (1761, 10335), (2067, 8805), (2385, 7631), (2935, 6201), (3445, 5283)]