19006790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1319}}^1$

素因数の和:1468

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 18629050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1319, 1441, 2638, 2882, 6595, 7205, 13190, 14410, 14509, 29018, 72545, 145090, 172789, 345578, 863945, 1727890, 1900679, 3801358, 9503395, 19006790]

約数ペア:

[(1, 19006790), (2, 9503395), (5, 3801358), (10, 1900679), (11, 1727890), (22, 863945), (55, 345578), (110, 172789), (131, 145090), (262, 72545), (655, 29018), (1310, 14509), (1319, 14410), (1441, 13190), (2638, 7205), (2882, 6595)]