18989478

素因数分解:

$2^1\times 3^5\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 48

約数和(自身を含む): 43754256

約数和(自身を除く): 24764778

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 243, 246, 369, 486, 738, 953, 1107, 1906, 2214, 2859, 3321, 5718, 6642, 8577, 9963, 17154, 19926, 25731, 39073, 51462, 77193, 78146, 117219, 154386, 231579, 234438, 351657, 463158, 703314, 1054971, 2109942, 3164913, 6329826, 9494739, 18989478]

約数ペア:

[(1, 18989478), (2, 9494739), (3, 6329826), (6, 3164913), (9, 2109942), (18, 1054971), (27, 703314), (41, 463158), (54, 351657), (81, 234438), (82, 231579), (123, 154386), (162, 117219), (243, 78146), (246, 77193), (369, 51462), (486, 39073), (738, 25731), (953, 19926), (1107, 17154), (1906, 9963), (2214, 8577), (2859, 6642), (3321, 5718)]