19892470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6653}}^1$

素因数の和:6696

約数の個数: 32

約数和(自身を含む): 40243392

約数和(自身を除く): 20350922

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6653, 13306, 33265, 66530, 86489, 153019, 172978, 306038, 432445, 765095, 864890, 1530190, 1989247, 3978494, 9946235, 19892470]

約数ペア:

[(1, 19892470), (2, 9946235), (5, 3978494), (10, 1989247), (13, 1530190), (23, 864890), (26, 765095), (46, 432445), (65, 306038), (115, 172978), (130, 153019), (230, 86489), (299, 66530), (598, 33265), (1495, 13306), (2990, 6653)]