18280998

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25264602

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 359, 369, 414, 621, 718, 738, 943, 1077, 1107, 1242, 1886, 2154, 2214, 2829, 3231, 5658, 6462, 8257, 8487, 9693, 14719, 16514, 16974, 19386, 24771, 25461, 29438, 44157, 49542, 50922, 74313, 88314, 132471, 148626, 222939, 264942, 338537, 397413, 445878, 677074, 794826, 1015611, 2031222, 3046833, 6093666, 9140499, 18280998]

約数ペア:

[(1, 18280998), (2, 9140499), (3, 6093666), (6, 3046833), (9, 2031222), (18, 1015611), (23, 794826), (27, 677074), (41, 445878), (46, 397413), (54, 338537), (69, 264942), (82, 222939), (123, 148626), (138, 132471), (207, 88314), (246, 74313), (359, 50922), (369, 49542), (414, 44157), (621, 29438), (718, 25461), (738, 24771), (943, 19386), (1077, 16974), (1107, 16514), (1242, 14719), (1886, 9693), (2154, 8487), (2214, 8257), (2829, 6462), (3231, 5658)]