16581224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 36633600

約数和(自身を除く): 20052376

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 211, 376, 418, 422, 517, 836, 844, 893, 1034, 1672, 1688, 1786, 2068, 2321, 3572, 4009, 4136, 4642, 7144, 8018, 9284, 9823, 9917, 16036, 18568, 19646, 19834, 32072, 39292, 39668, 44099, 78584, 79336, 88198, 109087, 176396, 188423, 218174, 352792, 376846, 436348, 753692, 872696, 1507384, 2072653, 4145306, 8290612, 16581224]

約数ペア:

[(1, 16581224), (2, 8290612), (4, 4145306), (8, 2072653), (11, 1507384), (19, 872696), (22, 753692), (38, 436348), (44, 376846), (47, 352792), (76, 218174), (88, 188423), (94, 176396), (152, 109087), (188, 88198), (209, 79336), (211, 78584), (376, 44099), (418, 39668), (422, 39292), (517, 32072), (836, 19834), (844, 19646), (893, 18568), (1034, 16036), (1672, 9917), (1688, 9823), (1786, 9284), (2068, 8018), (2321, 7144), (3572, 4642), (4009, 4136)]