19383693

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11582067

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 479, 861, 987, 1437, 1927, 3353, 5781, 10059, 13489, 19639, 22513, 40467, 58917, 67539, 137473, 157591, 412419, 472773, 923033, 2769099, 6461231, 19383693]

約数ペア:

[(1, 19383693), (3, 6461231), (7, 2769099), (21, 923033), (41, 472773), (47, 412419), (123, 157591), (141, 137473), (287, 67539), (329, 58917), (479, 40467), (861, 22513), (987, 19639), (1437, 13489), (1927, 10059), (3353, 5781)]