18380468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 34323912

約数和(自身を除く): 15943444

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 1973, 2329, 3946, 4658, 7892, 9316, 33541, 67082, 134164, 270301, 540602, 1081204, 4595117, 9190234, 18380468]

約数ペア:

[(1, 18380468), (2, 9190234), (4, 4595117), (17, 1081204), (34, 540602), (68, 270301), (137, 134164), (274, 67082), (548, 33541), (1973, 9316), (2329, 7892), (3946, 4658)]