19736470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{967}}^1$

素因数の和:1144

約数の個数: 32

約数和(自身を含む): 38541888

約数和(自身を除く): 18805418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 967, 1570, 1934, 2041, 4082, 4835, 9670, 10205, 12571, 20410, 25142, 62855, 125710, 151819, 303638, 759095, 1518190, 1973647, 3947294, 9868235, 19736470]

約数ペア:

[(1, 19736470), (2, 9868235), (5, 3947294), (10, 1973647), (13, 1518190), (26, 759095), (65, 303638), (130, 151819), (157, 125710), (314, 62855), (785, 25142), (967, 20410), (1570, 12571), (1934, 10205), (2041, 9670), (4082, 4835)]