2018809988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{20147}}^1$

素因数の和:20252

約数の個数: 48

約数和(自身を含む): 3980600064

約数和(自身を除く): 1961790076

約数列:

[1, 2, 4, 13, 26, 41, 47, 52, 82, 94, 164, 188, 533, 611, 1066, 1222, 1927, 2132, 2444, 3854, 7708, 20147, 25051, 40294, 50102, 80588, 100204, 261911, 523822, 826027, 946909, 1047644, 1652054, 1893818, 3304108, 3787636, 10738351, 12309817, 21476702, 24619634, 38823269, 42953404, 49239268, 77646538, 155293076, 504702497, 1009404994, 2018809988]

約数ペア:

[(1, 2018809988), (2, 1009404994), (4, 504702497), (13, 155293076), (26, 77646538), (41, 49239268), (47, 42953404), (52, 38823269), (82, 24619634), (94, 21476702), (164, 12309817), (188, 10738351), (533, 3787636), (611, 3304108), (1066, 1893818), (1222, 1652054), (1927, 1047644), (2132, 946909), (2444, 826027), (3854, 523822), (7708, 261911), (20147, 100204), (25051, 80588), (40294, 50102)]