18748288

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 42411600

約数和(自身を除く): 23663312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 593, 608, 832, 988, 1186, 1216, 1664, 1976, 2372, 2432, 3952, 4744, 7709, 7904, 9488, 11267, 15418, 15808, 18976, 22534, 30836, 31616, 37952, 45068, 61672, 75904, 90136, 123344, 146471, 180272, 246688, 292942, 360544, 493376, 585884, 721088, 986752, 1171768, 1442176, 2343536, 4687072, 9374144, 18748288]

約数ペア:

[(1, 18748288), (2, 9374144), (4, 4687072), (8, 2343536), (13, 1442176), (16, 1171768), (19, 986752), (26, 721088), (32, 585884), (38, 493376), (52, 360544), (64, 292942), (76, 246688), (104, 180272), (128, 146471), (152, 123344), (208, 90136), (247, 75904), (304, 61672), (416, 45068), (494, 37952), (593, 31616), (608, 30836), (832, 22534), (988, 18976), (1186, 15808), (1216, 15418), (1664, 11267), (1976, 9488), (2372, 7904), (2432, 7709), (3952, 4744)]