19358872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 41983200

約数和(自身を除く): 22624328

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 97, 101, 104, 152, 194, 202, 247, 388, 404, 494, 776, 808, 988, 1261, 1313, 1843, 1919, 1976, 2522, 2626, 3686, 3838, 5044, 5252, 7372, 7676, 9797, 10088, 10504, 14744, 15352, 19594, 23959, 24947, 39188, 47918, 49894, 78376, 95836, 99788, 127361, 186143, 191672, 199576, 254722, 372286, 509444, 744572, 1018888, 1489144, 2419859, 4839718, 9679436, 19358872]

約数ペア:

[(1, 19358872), (2, 9679436), (4, 4839718), (8, 2419859), (13, 1489144), (19, 1018888), (26, 744572), (38, 509444), (52, 372286), (76, 254722), (97, 199576), (101, 191672), (104, 186143), (152, 127361), (194, 99788), (202, 95836), (247, 78376), (388, 49894), (404, 47918), (494, 39188), (776, 24947), (808, 23959), (988, 19594), (1261, 15352), (1313, 14744), (1843, 10504), (1919, 10088), (1976, 9797), (2522, 7676), (2626, 7372), (3686, 5252), (3838, 5044)]