19259552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 41503392

約数和(自身を除く): 22243840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 691, 871, 1072, 1382, 1742, 2144, 2764, 3484, 5528, 6968, 8983, 11056, 13936, 17966, 22112, 27872, 35932, 46297, 71864, 92594, 143728, 185188, 287456, 370376, 601861, 740752, 1203722, 1481504, 2407444, 4814888, 9629776, 19259552]

約数ペア:

[(1, 19259552), (2, 9629776), (4, 4814888), (8, 2407444), (13, 1481504), (16, 1203722), (26, 740752), (32, 601861), (52, 370376), (67, 287456), (104, 185188), (134, 143728), (208, 92594), (268, 71864), (416, 46297), (536, 35932), (691, 27872), (871, 22112), (1072, 17966), (1382, 13936), (1742, 11056), (2144, 8983), (2764, 6968), (3484, 5528)]