19426100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2459}}^1$

素因数の和:2552

約数の個数: 36

約数和(自身を含む): 42705600

約数和(自身を除く): 23279500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2459, 3950, 4918, 7900, 9836, 12295, 24590, 49180, 61475, 122950, 194261, 245900, 388522, 777044, 971305, 1942610, 3885220, 4856525, 9713050, 19426100]

約数ペア:

[(1, 19426100), (2, 9713050), (4, 4856525), (5, 3885220), (10, 1942610), (20, 971305), (25, 777044), (50, 388522), (79, 245900), (100, 194261), (158, 122950), (316, 61475), (395, 49180), (790, 24590), (1580, 12295), (1975, 9836), (2459, 7900), (3950, 4918)]