19984594

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 15560366

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 301, 373, 602, 623, 746, 1246, 2611, 3827, 5222, 7654, 16039, 26789, 32078, 33197, 53578, 66394, 112273, 224546, 232379, 464758, 1427471, 2854942, 9992297, 19984594]

約数ペア:

[(1, 19984594), (2, 9992297), (7, 2854942), (14, 1427471), (43, 464758), (86, 232379), (89, 224546), (178, 112273), (301, 66394), (373, 53578), (602, 33197), (623, 32078), (746, 26789), (1246, 16039), (2611, 7654), (3827, 5222)]