19885985282

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 31305386112

約数和(自身を除く): 11419400830

約数列:

[1, 2, 43, 59, 86, 118, 181, 362, 367, 734, 2537, 3481, 5074, 6962, 7783, 10679, 15566, 15781, 21358, 21653, 31562, 43306, 66427, 132854, 149683, 299366, 459197, 630061, 918394, 931079, 1260122, 1277527, 1862158, 2555054, 2856361, 3919193, 5712722, 7838386, 27092623, 54185246, 54933661, 109867322, 168525299, 231232387, 337050598, 462464774, 9942992641, 19885985282]

約数ペア:

[(1, 19885985282), (2, 9942992641), (43, 462464774), (59, 337050598), (86, 231232387), (118, 168525299), (181, 109867322), (362, 54933661), (367, 54185246), (734, 27092623), (2537, 7838386), (3481, 5712722), (5074, 3919193), (6962, 2856361), (7783, 2555054), (10679, 1862158), (15566, 1277527), (15781, 1260122), (21358, 931079), (21653, 918394), (31562, 630061), (43306, 459197), (66427, 299366), (132854, 149683)]