19486928979

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{36749}}^1$

素因数の和:37224

約数の個数: 48

約数和(自身を含む): 33939360000

約数和(自身を除く): 14452431021

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 443, 1197, 1329, 3101, 3987, 8417, 9303, 25251, 27909, 36749, 58919, 75753, 110247, 176757, 257243, 330741, 530271, 698231, 771729, 2094693, 2315187, 4887617, 6284079, 14662851, 16279807, 43988553, 48839421, 113958649, 146518263, 309316333, 341875947, 927948999, 1025627841, 2165214331, 2783846997, 6495642993, 19486928979]

約数ペア:

[(1, 19486928979), (3, 6495642993), (7, 2783846997), (9, 2165214331), (19, 1025627841), (21, 927948999), (57, 341875947), (63, 309316333), (133, 146518263), (171, 113958649), (399, 48839421), (443, 43988553), (1197, 16279807), (1329, 14662851), (3101, 6284079), (3987, 4887617), (8417, 2315187), (9303, 2094693), (25251, 771729), (27909, 698231), (36749, 530271), (58919, 330741), (75753, 257243), (110247, 176757)]