18971070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20399}}^1$

素因数の和:20440

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 28030530

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 20399, 40798, 61197, 101995, 122394, 203990, 305985, 611970, 632369, 1264738, 1897107, 3161845, 3794214, 6323690, 9485535, 18971070]

約数ペア:

[(1, 18971070), (2, 9485535), (3, 6323690), (5, 3794214), (6, 3161845), (10, 1897107), (15, 1264738), (30, 632369), (31, 611970), (62, 305985), (93, 203990), (155, 122394), (186, 101995), (310, 61197), (465, 40798), (930, 20399)]