19381712

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1467

約数の個数: 40

約数和(自身を含む): 43276992

約数和(自身を除く): 23895280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 262, 524, 917, 1048, 1321, 1834, 2096, 2642, 3668, 5284, 7336, 9247, 10568, 14672, 18494, 21136, 36988, 73976, 147952, 173051, 346102, 692204, 1211357, 1384408, 2422714, 2768816, 4845428, 9690856, 19381712]

約数ペア:

[(1, 19381712), (2, 9690856), (4, 4845428), (7, 2768816), (8, 2422714), (14, 1384408), (16, 1211357), (28, 692204), (56, 346102), (112, 173051), (131, 147952), (262, 73976), (524, 36988), (917, 21136), (1048, 18494), (1321, 14672), (1834, 10568), (2096, 9247), (2642, 7336), (3668, 5284)]