19724584

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23821016

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 251, 376, 418, 502, 517, 836, 893, 1004, 1034, 1672, 1786, 2008, 2068, 2761, 3572, 4136, 4769, 5522, 7144, 9538, 9823, 11044, 11797, 19076, 19646, 22088, 23594, 38152, 39292, 47188, 52459, 78584, 94376, 104918, 129767, 209836, 224143, 259534, 419672, 448286, 519068, 896572, 1038136, 1793144, 2465573, 4931146, 9862292, 19724584]

約数ペア:

[(1, 19724584), (2, 9862292), (4, 4931146), (8, 2465573), (11, 1793144), (19, 1038136), (22, 896572), (38, 519068), (44, 448286), (47, 419672), (76, 259534), (88, 224143), (94, 209836), (152, 129767), (188, 104918), (209, 94376), (251, 78584), (376, 52459), (418, 47188), (502, 39292), (517, 38152), (836, 23594), (893, 22088), (1004, 19646), (1034, 19076), (1672, 11797), (1786, 11044), (2008, 9823), (2068, 9538), (2761, 7144), (3572, 5522), (4136, 4769)]