19558070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 40421376

約数和(自身を除く): 20863306

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1031, 1355, 1897, 2062, 2710, 3794, 5155, 7217, 9485, 10310, 14434, 18970, 36085, 72170, 279401, 558802, 1397005, 1955807, 2794010, 3911614, 9779035, 19558070]

約数ペア:

[(1, 19558070), (2, 9779035), (5, 3911614), (7, 2794010), (10, 1955807), (14, 1397005), (35, 558802), (70, 279401), (271, 72170), (542, 36085), (1031, 18970), (1355, 14434), (1897, 10310), (2062, 9485), (2710, 7217), (3794, 5155)]