18575293

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 22855680

約数和(自身を除く): 4280387

約数列:

[1, 11, 19, 31, 47, 61, 209, 341, 517, 589, 671, 893, 1159, 1457, 1891, 2867, 6479, 9823, 12749, 16027, 20801, 27683, 31537, 35929, 54473, 88877, 304513, 395219, 599203, 977647, 1688663, 18575293]

約数ペア:

[(1, 18575293), (11, 1688663), (19, 977647), (31, 599203), (47, 395219), (61, 304513), (209, 88877), (341, 54473), (517, 35929), (589, 31537), (671, 27683), (893, 20801), (1159, 16027), (1457, 12749), (1891, 9823), (2867, 6479)]