18919064

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 18340936

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 229, 449, 458, 898, 916, 1796, 1832, 3592, 5267, 10327, 10534, 20654, 21068, 41308, 42136, 82616, 102821, 205642, 411284, 822568, 2364883, 4729766, 9459532, 18919064]

約数ペア:

[(1, 18919064), (2, 9459532), (4, 4729766), (8, 2364883), (23, 822568), (46, 411284), (92, 205642), (184, 102821), (229, 82616), (449, 42136), (458, 41308), (898, 21068), (916, 20654), (1796, 10534), (1832, 10327), (3592, 5267)]