19443802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 16199078

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1091, 1273, 2182, 2546, 7637, 8911, 15274, 17822, 20729, 41458, 73097, 145103, 146194, 290206, 511679, 1023358, 1388843, 2777686, 9721901, 19443802]

約数ペア:

[(1, 19443802), (2, 9721901), (7, 2777686), (14, 1388843), (19, 1023358), (38, 511679), (67, 290206), (133, 146194), (134, 145103), (266, 73097), (469, 41458), (938, 20729), (1091, 17822), (1273, 15274), (2182, 8911), (2546, 7637)]