19182904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 39327120

約数和(自身を除く): 20144216

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2753, 3484, 5506, 6968, 11012, 22024, 35789, 71578, 143156, 184451, 286312, 368902, 737804, 1475608, 2397863, 4795726, 9591452, 19182904]

約数ペア:

[(1, 19182904), (2, 9591452), (4, 4795726), (8, 2397863), (13, 1475608), (26, 737804), (52, 368902), (67, 286312), (104, 184451), (134, 143156), (268, 71578), (536, 35789), (871, 22024), (1742, 11012), (2753, 6968), (3484, 5506)]