19578130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13691}}^1$

素因数の和:13722

約数の個数: 32

約数和(自身を含む): 41404608

約数和(自身を除く): 21826478

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13691, 27382, 68455, 136910, 150601, 177983, 301202, 355966, 753005, 889915, 1506010, 1779830, 1957813, 3915626, 9789065, 19578130]

約数ペア:

[(1, 19578130), (2, 9789065), (5, 3915626), (10, 1957813), (11, 1779830), (13, 1506010), (22, 889915), (26, 753005), (55, 355966), (65, 301202), (110, 177983), (130, 150601), (143, 136910), (286, 68455), (715, 27382), (1430, 13691)]