1720347856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{152947}}^1$

素因数の和:153011

約数の個数: 40

約数和(自身を含む): 3603454880

約数和(自身を除く): 1883107024

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 152947, 305894, 611788, 1223576, 2447152, 2905993, 5659039, 5811986, 11318078, 11623972, 22636156, 23247944, 45272312, 46495888, 90544624, 107521741, 215043482, 430086964, 860173928, 1720347856]

約数ペア:

[(1, 1720347856), (2, 860173928), (4, 430086964), (8, 215043482), (16, 107521741), (19, 90544624), (37, 46495888), (38, 45272312), (74, 23247944), (76, 22636156), (148, 11623972), (152, 11318078), (296, 5811986), (304, 5659039), (592, 2905993), (703, 2447152), (1406, 1223576), (2812, 611788), (5624, 305894), (11248, 152947)]