18200416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 48

約数和(自身を含む): 39224304

約数和(自身を除く): 21023888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 653, 871, 1072, 1306, 1742, 2144, 2612, 3484, 5224, 6968, 8489, 10448, 13936, 16978, 20896, 27872, 33956, 43751, 67912, 87502, 135824, 175004, 271648, 350008, 568763, 700016, 1137526, 1400032, 2275052, 4550104, 9100208, 18200416]

約数ペア:

[(1, 18200416), (2, 9100208), (4, 4550104), (8, 2275052), (13, 1400032), (16, 1137526), (26, 700016), (32, 568763), (52, 350008), (67, 271648), (104, 175004), (134, 135824), (208, 87502), (268, 67912), (416, 43751), (536, 33956), (653, 27872), (871, 20896), (1072, 16978), (1306, 13936), (1742, 10448), (2144, 8489), (2612, 6968), (3484, 5224)]