18677407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 23998464

約数和(自身を除く): 5321057

約数列:

[1, 7, 17, 31, 61, 83, 119, 217, 427, 527, 581, 1037, 1411, 1891, 2573, 3689, 5063, 7259, 9877, 13237, 18011, 32147, 35441, 43741, 86071, 156953, 225029, 306187, 602497, 1098671, 2668201, 18677407]

約数ペア:

[(1, 18677407), (7, 2668201), (17, 1098671), (31, 602497), (61, 306187), (83, 225029), (119, 156953), (217, 86071), (427, 43741), (527, 35441), (581, 32147), (1037, 18011), (1411, 13237), (1891, 9877), (2573, 7259), (3689, 5063)]