19681090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13763}}^1$

素因数の和:13794

約数の個数: 32

約数和(自身を含む): 41622336

約数和(自身を除く): 21941246

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13763, 27526, 68815, 137630, 151393, 178919, 302786, 357838, 756965, 894595, 1513930, 1789190, 1968109, 3936218, 9840545, 19681090]

約数ペア:

[(1, 19681090), (2, 9840545), (5, 3936218), (10, 1968109), (11, 1789190), (13, 1513930), (22, 894595), (26, 756965), (55, 357838), (65, 302786), (110, 178919), (130, 151393), (143, 137630), (286, 68815), (715, 27526), (1430, 13763)]