31513210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 60710400

約数和(自身を除く): 29197190

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 2719, 5438, 5795, 11590, 13595, 27190, 51661, 103322, 165859, 258305, 331718, 516610, 829295, 1658590, 3151321, 6302642, 15756605, 31513210]

約数ペア:

[(1, 31513210), (2, 15756605), (5, 6302642), (10, 3151321), (19, 1658590), (38, 829295), (61, 516610), (95, 331718), (122, 258305), (190, 165859), (305, 103322), (610, 51661), (1159, 27190), (2318, 13595), (2719, 11590), (5438, 5795)]