19513955344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1\times {\mathrm{1667}}^1$

素因数の和:2192

約数の個数: 80

約数和(自身を含む): 41106619008

約数和(自身を除く): 21592663664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 337, 668, 674, 1336, 1348, 1667, 2171, 2672, 2696, 3334, 4342, 4381, 5392, 6668, 8684, 8762, 13336, 17368, 17524, 21671, 26672, 34736, 35048, 43342, 56279, 70096, 86684, 112558, 173368, 225116, 278389, 346736, 450232, 556778, 561779, 731627, 900464, 1113556, 1123558, 1463254, 2227112, 2247116, 2926508, 3619057, 4454224, 4494232, 5853016, 7238114, 7303127, 8988464, 11706032, 14476228, 14606254, 28952456, 29212508, 57904912, 58425016, 93817093, 116850032, 187634186, 375268372, 750536744, 1219622209, 1501073488, 2439244418, 4878488836, 9756977672, 19513955344]

約数ペア:

[(1, 19513955344), (2, 9756977672), (4, 4878488836), (8, 2439244418), (13, 1501073488), (16, 1219622209), (26, 750536744), (52, 375268372), (104, 187634186), (167, 116850032), (208, 93817093), (334, 58425016), (337, 57904912), (668, 29212508), (674, 28952456), (1336, 14606254), (1348, 14476228), (1667, 11706032), (2171, 8988464), (2672, 7303127), (2696, 7238114), (3334, 5853016), (4342, 4494232), (4381, 4454224), (5392, 3619057), (6668, 2926508), (8684, 2247116), (8762, 2227112), (13336, 1463254), (17368, 1123558), (17524, 1113556), (21671, 900464), (26672, 731627), (34736, 561779), (35048, 556778), (43342, 450232), (56279, 346736), (70096, 278389), (86684, 225116), (112558, 173368)]