19287424

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 42240240

約数和(自身を除く): 22952816

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 67, 104, 128, 134, 173, 208, 268, 346, 416, 536, 692, 832, 871, 1072, 1384, 1664, 1742, 2144, 2249, 2768, 3484, 4288, 4498, 5536, 6968, 8576, 8996, 11072, 11591, 13936, 17992, 22144, 23182, 27872, 35984, 46364, 55744, 71968, 92728, 111488, 143936, 150683, 185456, 287872, 301366, 370912, 602732, 741824, 1205464, 1483648, 2410928, 4821856, 9643712, 19287424]

約数ペア:

[(1, 19287424), (2, 9643712), (4, 4821856), (8, 2410928), (13, 1483648), (16, 1205464), (26, 741824), (32, 602732), (52, 370912), (64, 301366), (67, 287872), (104, 185456), (128, 150683), (134, 143936), (173, 111488), (208, 92728), (268, 71968), (346, 55744), (416, 46364), (536, 35984), (692, 27872), (832, 23182), (871, 22144), (1072, 17992), (1384, 13936), (1664, 11591), (1742, 11072), (2144, 8996), (2249, 8576), (2768, 6968), (3484, 5536), (4288, 4498)]