18445020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27947}}^1$

素因数の和:27970

約数の個数: 48

約数和(自身を含む): 56343168

約数和(自身を除く): 37898148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27947, 55894, 83841, 111788, 139735, 167682, 279470, 307417, 335364, 419205, 558940, 614834, 838410, 922251, 1229668, 1537085, 1676820, 1844502, 3074170, 3689004, 4611255, 6148340, 9222510, 18445020]

約数ペア:

[(1, 18445020), (2, 9222510), (3, 6148340), (4, 4611255), (5, 3689004), (6, 3074170), (10, 1844502), (11, 1676820), (12, 1537085), (15, 1229668), (20, 922251), (22, 838410), (30, 614834), (33, 558940), (44, 419205), (55, 335364), (60, 307417), (66, 279470), (110, 167682), (132, 139735), (165, 111788), (220, 83841), (330, 55894), (660, 27947)]