2019957884

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{47681}}^1$

素因数の和:47798

約数の個数: 48

約数和(自身を含む): 4325711040

約数和(自身を除く): 2305753156

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 89, 119, 178, 238, 356, 476, 623, 1246, 1513, 2492, 3026, 6052, 10591, 21182, 42364, 47681, 95362, 190724, 333767, 667534, 810577, 1335068, 1621154, 3242308, 4243609, 5674039, 8487218, 11348078, 16974436, 22696156, 29705263, 59410526, 72141353, 118821052, 144282706, 288565412, 504989471, 1009978942, 2019957884]

約数ペア:

[(1, 2019957884), (2, 1009978942), (4, 504989471), (7, 288565412), (14, 144282706), (17, 118821052), (28, 72141353), (34, 59410526), (68, 29705263), (89, 22696156), (119, 16974436), (178, 11348078), (238, 8487218), (356, 5674039), (476, 4243609), (623, 3242308), (1246, 1621154), (1513, 1335068), (2492, 810577), (3026, 667534), (6052, 333767), (10591, 190724), (21182, 95362), (42364, 47681)]