18925454

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 24

約数和(自身を含む): 30503520

約数和(自身を除く): 11578066

約数列:

[1, 2, 17, 34, 137, 239, 274, 289, 478, 578, 2329, 4063, 4658, 8126, 32743, 39593, 65486, 69071, 79186, 138142, 556631, 1113262, 9462727, 18925454]

約数ペア:

[(1, 18925454), (2, 9462727), (17, 1113262), (34, 556631), (137, 138142), (239, 79186), (274, 69071), (289, 65486), (478, 39593), (578, 32743), (2329, 8126), (4063, 4658)]