18367648

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{659}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 21216512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 659, 871, 1072, 1318, 1742, 2144, 2636, 3484, 5272, 6968, 8567, 10544, 13936, 17134, 21088, 27872, 34268, 44153, 68536, 88306, 137072, 176612, 274144, 353224, 573989, 706448, 1147978, 1412896, 2295956, 4591912, 9183824, 18367648]

約数ペア:

[(1, 18367648), (2, 9183824), (4, 4591912), (8, 2295956), (13, 1412896), (16, 1147978), (26, 706448), (32, 573989), (52, 353224), (67, 274144), (104, 176612), (134, 137072), (208, 88306), (268, 68536), (416, 44153), (536, 34268), (659, 27872), (871, 21088), (1072, 17134), (1318, 13936), (1742, 10544), (2144, 8567), (2636, 6968), (3484, 5272)]