19051998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6389}}^1$

素因数の和:6472

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 25115682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6389, 12778, 19167, 38334, 44723, 89446, 134169, 268338, 453619, 907238, 1360857, 2721714, 3175333, 6350666, 9525999, 19051998]

約数ペア:

[(1, 19051998), (2, 9525999), (3, 6350666), (6, 3175333), (7, 2721714), (14, 1360857), (21, 907238), (42, 453619), (71, 268338), (142, 134169), (213, 89446), (426, 44723), (497, 38334), (994, 19167), (1491, 12778), (2982, 6389)]