19287008

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 41531616

約数和(自身を除く): 22244608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 653, 923, 1136, 1306, 1846, 2272, 2612, 3692, 5224, 7384, 8489, 10448, 14768, 16978, 20896, 29536, 33956, 46363, 67912, 92726, 135824, 185452, 271648, 370904, 602719, 741808, 1205438, 1483616, 2410876, 4821752, 9643504, 19287008]

約数ペア:

[(1, 19287008), (2, 9643504), (4, 4821752), (8, 2410876), (13, 1483616), (16, 1205438), (26, 741808), (32, 602719), (52, 370904), (71, 271648), (104, 185452), (142, 135824), (208, 92726), (284, 67912), (416, 46363), (568, 33956), (653, 29536), (923, 20896), (1136, 16978), (1306, 14768), (1846, 10448), (2272, 8489), (2612, 7384), (3692, 5224)]