19959051

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11490549

約数列:

[1, 3, 7, 21, 59, 89, 177, 181, 267, 413, 543, 623, 1239, 1267, 1869, 3801, 5251, 10679, 15753, 16109, 32037, 36757, 48327, 74753, 110271, 112763, 224259, 338289, 950431, 2851293, 6653017, 19959051]

約数ペア:

[(1, 19959051), (3, 6653017), (7, 2851293), (21, 950431), (59, 338289), (89, 224259), (177, 112763), (181, 110271), (267, 74753), (413, 48327), (543, 36757), (623, 32037), (1239, 16109), (1267, 15753), (1869, 10679), (3801, 5251)]