19523218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 35575200

約数和(自身を除く): 16051982

約数列:

[1, 2, 11, 13, 22, 26, 59, 89, 118, 143, 169, 178, 286, 338, 649, 767, 979, 1157, 1298, 1534, 1859, 1958, 2314, 3718, 5251, 8437, 9971, 10502, 12727, 15041, 16874, 19942, 25454, 30082, 57761, 68263, 109681, 115522, 136526, 165451, 219362, 330902, 750893, 887419, 1501786, 1774838, 9761609, 19523218]

約数ペア:

[(1, 19523218), (2, 9761609), (11, 1774838), (13, 1501786), (22, 887419), (26, 750893), (59, 330902), (89, 219362), (118, 165451), (143, 136526), (169, 115522), (178, 109681), (286, 68263), (338, 57761), (649, 30082), (767, 25454), (979, 19942), (1157, 16874), (1298, 15041), (1534, 12727), (1859, 10502), (1958, 9971), (2314, 8437), (3718, 5251)]