19728422

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74167}}^1$

素因数の和:74195

約数の個数: 16

約数和(自身を含む): 35600640

約数和(自身を除く): 15872218

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74167, 148334, 519169, 1038338, 1409173, 2818346, 9864211, 19728422]

約数ペア:

[(1, 19728422), (2, 9864211), (7, 2818346), (14, 1409173), (19, 1038338), (38, 519169), (133, 148334), (266, 74167)]