18707490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 31577310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 193, 270, 359, 386, 579, 718, 965, 1077, 1158, 1737, 1795, 1930, 2154, 2895, 3231, 3474, 3590, 5211, 5385, 5790, 6462, 8685, 9693, 10422, 10770, 16155, 17370, 19386, 26055, 32310, 48465, 52110, 69287, 96930, 138574, 207861, 346435, 415722, 623583, 692870, 1039305, 1247166, 1870749, 2078610, 3117915, 3741498, 6235830, 9353745, 18707490]

約数ペア:

[(1, 18707490), (2, 9353745), (3, 6235830), (5, 3741498), (6, 3117915), (9, 2078610), (10, 1870749), (15, 1247166), (18, 1039305), (27, 692870), (30, 623583), (45, 415722), (54, 346435), (90, 207861), (135, 138574), (193, 96930), (270, 69287), (359, 52110), (386, 48465), (579, 32310), (718, 26055), (965, 19386), (1077, 17370), (1158, 16155), (1737, 10770), (1795, 10422), (1930, 9693), (2154, 8685), (2895, 6462), (3231, 5790), (3474, 5385), (3590, 5211)]