18793890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1544

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 32424030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1481, 2115, 2538, 2962, 4230, 4443, 6345, 7405, 8886, 12690, 13329, 14810, 22215, 26658, 39987, 44430, 66645, 69607, 79974, 133290, 139214, 199935, 208821, 348035, 399870, 417642, 626463, 696070, 1044105, 1252926, 1879389, 2088210, 3132315, 3758778, 6264630, 9396945, 18793890]

約数ペア:

[(1, 18793890), (2, 9396945), (3, 6264630), (5, 3758778), (6, 3132315), (9, 2088210), (10, 1879389), (15, 1252926), (18, 1044105), (27, 696070), (30, 626463), (45, 417642), (47, 399870), (54, 348035), (90, 208821), (94, 199935), (135, 139214), (141, 133290), (235, 79974), (270, 69607), (282, 66645), (423, 44430), (470, 39987), (705, 26658), (846, 22215), (1269, 14810), (1410, 13329), (1481, 12690), (2115, 8886), (2538, 7405), (2962, 6345), (4230, 4443)]