19219984

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 43175808

約数和(自身を除く): 23955824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2417, 3976, 4834, 7952, 9668, 16919, 19336, 33838, 38672, 67676, 135352, 171607, 270704, 343214, 686428, 1201249, 1372856, 2402498, 2745712, 4804996, 9609992, 19219984]

約数ペア:

[(1, 19219984), (2, 9609992), (4, 4804996), (7, 2745712), (8, 2402498), (14, 1372856), (16, 1201249), (28, 686428), (56, 343214), (71, 270704), (112, 171607), (142, 135352), (284, 67676), (497, 38672), (568, 33838), (994, 19336), (1136, 16919), (1988, 9668), (2417, 7952), (3976, 4834)]