19287654

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 20401050

約数列:

[1, 2, 3, 6, 53, 106, 131, 159, 262, 318, 393, 463, 786, 926, 1389, 2778, 6943, 13886, 20829, 24539, 41658, 49078, 60653, 73617, 121306, 147234, 181959, 363918, 3214609, 6429218, 9643827, 19287654]

約数ペア:

[(1, 19287654), (2, 9643827), (3, 6429218), (6, 3214609), (53, 363918), (106, 181959), (131, 147234), (159, 121306), (262, 73617), (318, 60653), (393, 49078), (463, 41658), (786, 24539), (926, 20829), (1389, 13886), (2778, 6943)]