17960884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 32997888

約数和(自身を除く): 15037004

約数列:

[1, 2, 4, 23, 46, 92, 197, 394, 788, 991, 1982, 3964, 4531, 9062, 18124, 22793, 45586, 91172, 195227, 390454, 780908, 4490221, 8980442, 17960884]

約数ペア:

[(1, 17960884), (2, 8980442), (4, 4490221), (23, 780908), (46, 390454), (92, 195227), (197, 91172), (394, 45586), (788, 22793), (991, 18124), (1982, 9062), (3964, 4531)]