19627790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21569}}^1$

素因数の和:21596

約数の個数: 32

約数和(自身を含む): 43485120

約数和(自身を除く): 23857330

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21569, 43138, 107845, 150983, 215690, 280397, 301966, 560794, 754915, 1401985, 1509830, 1962779, 2803970, 3925558, 9813895, 19627790]

約数ペア:

[(1, 19627790), (2, 9813895), (5, 3925558), (7, 2803970), (10, 1962779), (13, 1509830), (14, 1401985), (26, 754915), (35, 560794), (65, 301966), (70, 280397), (91, 215690), (130, 150983), (182, 107845), (455, 43138), (910, 21569)]