11821840

素因数分解:

$2^4\times 5^1\times {\mathrm{147773}}^1$

素因数の和:147786

約数の個数: 20

約数和(自身を含む): 27485964

約数和(自身を除く): 15664124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 147773, 295546, 591092, 738865, 1182184, 1477730, 2364368, 2955460, 5910920, 11821840]

約数ペア:

[(1, 11821840), (2, 5910920), (4, 2955460), (5, 2364368), (8, 1477730), (10, 1182184), (16, 738865), (20, 591092), (40, 295546), (80, 147773)]