18879666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 41934816

約数和(自身を除く): 23055150

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 433, 507, 559, 866, 1014, 1118, 1299, 1677, 2598, 3354, 5629, 7267, 11258, 14534, 16887, 18619, 21801, 33774, 37238, 43602, 55857, 73177, 111714, 146354, 219531, 242047, 439062, 484094, 726141, 1452282, 3146611, 6293222, 9439833, 18879666]

約数ペア:

[(1, 18879666), (2, 9439833), (3, 6293222), (6, 3146611), (13, 1452282), (26, 726141), (39, 484094), (43, 439062), (78, 242047), (86, 219531), (129, 146354), (169, 111714), (258, 73177), (338, 55857), (433, 43602), (507, 37238), (559, 33774), (866, 21801), (1014, 18619), (1118, 16887), (1299, 14534), (1677, 11258), (2598, 7267), (3354, 5629)]