19473111

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 14672169

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 151, 161, 207, 267, 453, 483, 623, 801, 1057, 1359, 1449, 1869, 2047, 3171, 3473, 5607, 6141, 9513, 10419, 13439, 14329, 18423, 24311, 31257, 40317, 42987, 72933, 94073, 120951, 128961, 218799, 282219, 309097, 846657, 927291, 2163679, 2781873, 6491037, 19473111]

約数ペア:

[(1, 19473111), (3, 6491037), (7, 2781873), (9, 2163679), (21, 927291), (23, 846657), (63, 309097), (69, 282219), (89, 218799), (151, 128961), (161, 120951), (207, 94073), (267, 72933), (453, 42987), (483, 40317), (623, 31257), (801, 24311), (1057, 18423), (1359, 14329), (1449, 13439), (1869, 10419), (2047, 9513), (3171, 6141), (3473, 5607)]