19991910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5087}}^1$

素因数の和:5228

約数の個数: 32

約数和(自身を含む): 48356352

約数和(自身を除く): 28364442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5087, 10174, 15261, 25435, 30522, 50870, 76305, 152610, 666397, 1332794, 1999191, 3331985, 3998382, 6663970, 9995955, 19991910]

約数ペア:

[(1, 19991910), (2, 9995955), (3, 6663970), (5, 3998382), (6, 3331985), (10, 1999191), (15, 1332794), (30, 666397), (131, 152610), (262, 76305), (393, 50870), (655, 30522), (786, 25435), (1310, 15261), (1965, 10174), (3930, 5087)]