18775983

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 27141120

約数和(自身を除く): 8365137

約数列:

[1, 3, 37, 47, 59, 61, 111, 141, 177, 183, 1739, 2183, 2257, 2773, 2867, 3599, 5217, 6549, 6771, 8319, 8601, 10797, 102601, 106079, 133163, 169153, 307803, 318237, 399489, 507459, 6258661, 18775983]

約数ペア:

[(1, 18775983), (3, 6258661), (37, 507459), (47, 399489), (59, 318237), (61, 307803), (111, 169153), (141, 133163), (177, 106079), (183, 102601), (1739, 10797), (2183, 8601), (2257, 8319), (2773, 6771), (2867, 6549), (3599, 5217)]