19050512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1367}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 40372416

約数和(自身を除く): 21321904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1367, 1742, 2734, 3484, 5468, 6968, 10936, 13936, 17771, 21872, 35542, 71084, 91589, 142168, 183178, 284336, 366356, 732712, 1190657, 1465424, 2381314, 4762628, 9525256, 19050512]

約数ペア:

[(1, 19050512), (2, 9525256), (4, 4762628), (8, 2381314), (13, 1465424), (16, 1190657), (26, 732712), (52, 366356), (67, 284336), (104, 183178), (134, 142168), (208, 91589), (268, 71084), (536, 35542), (871, 21872), (1072, 17771), (1367, 13936), (1742, 10936), (2734, 6968), (3484, 5468)]