19158724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 38328192

約数和(自身を除く): 19169468

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 83, 92, 166, 193, 299, 332, 386, 598, 772, 1079, 1196, 1909, 2158, 2509, 3818, 4316, 4439, 5018, 7636, 8878, 10036, 16019, 17756, 24817, 32038, 49634, 57707, 64076, 99268, 115414, 208247, 230828, 368437, 416494, 736874, 832988, 1473748, 4789681, 9579362, 19158724]

約数ペア:

[(1, 19158724), (2, 9579362), (4, 4789681), (13, 1473748), (23, 832988), (26, 736874), (46, 416494), (52, 368437), (83, 230828), (92, 208247), (166, 115414), (193, 99268), (299, 64076), (332, 57707), (386, 49634), (598, 32038), (772, 24817), (1079, 17756), (1196, 16019), (1909, 10036), (2158, 8878), (2509, 7636), (3818, 5018), (4316, 4439)]