18986778

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7481}}^1$

素因数の和:7539

約数の個数: 32

約数和(自身を含む): 43096320

約数和(自身を除く): 24109542

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 7481, 14962, 22443, 44886, 67329, 134658, 201987, 351607, 403974, 703214, 1054821, 2109642, 3164463, 6328926, 9493389, 18986778]

約数ペア:

[(1, 18986778), (2, 9493389), (3, 6328926), (6, 3164463), (9, 2109642), (18, 1054821), (27, 703214), (47, 403974), (54, 351607), (94, 201987), (141, 134658), (282, 67329), (423, 44886), (846, 22443), (1269, 14962), (2538, 7481)]