19240540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4603}}^1$

素因数の和:4642

約数の個数: 48

約数和(自身を含む): 46408320

約数和(自身を除く): 27167780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4603, 9206, 18412, 23015, 46030, 50633, 87457, 92060, 101266, 174914, 202532, 253165, 349828, 437285, 506330, 874570, 962027, 1012660, 1749140, 1924054, 3848108, 4810135, 9620270, 19240540]

約数ペア:

[(1, 19240540), (2, 9620270), (4, 4810135), (5, 3848108), (10, 1924054), (11, 1749140), (19, 1012660), (20, 962027), (22, 874570), (38, 506330), (44, 437285), (55, 349828), (76, 253165), (95, 202532), (110, 174914), (190, 101266), (209, 92060), (220, 87457), (380, 50633), (418, 46030), (836, 23015), (1045, 18412), (2090, 9206), (4180, 4603)]