16640972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 30100560

約数和(自身を除く): 13459588

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 491, 916, 982, 1964, 8473, 16946, 18167, 33892, 36334, 72668, 112439, 224878, 449756, 4160243, 8320486, 16640972]

約数ペア:

[(1, 16640972), (2, 8320486), (4, 4160243), (37, 449756), (74, 224878), (148, 112439), (229, 72668), (458, 36334), (491, 33892), (916, 18167), (982, 16946), (1964, 8473)]