19843917

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 29306880

約数和(自身を除く): 9462963

約数列:

[1, 3, 23, 29, 47, 69, 87, 141, 211, 633, 667, 1081, 1363, 2001, 3243, 4089, 4853, 6119, 9917, 14559, 18357, 29751, 31349, 94047, 140737, 228091, 287593, 422211, 684273, 862779, 6614639, 19843917]

約数ペア:

[(1, 19843917), (3, 6614639), (23, 862779), (29, 684273), (47, 422211), (69, 287593), (87, 228091), (141, 140737), (211, 94047), (633, 31349), (667, 29751), (1081, 18357), (1363, 14559), (2001, 9917), (3243, 6119), (4089, 4853)]