31613378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 20278462

約数列:

[1, 2, 19, 38, 41, 82, 103, 197, 206, 394, 779, 1558, 1957, 3743, 3914, 4223, 7486, 8077, 8446, 16154, 20291, 40582, 80237, 153463, 160474, 306926, 385529, 771058, 831931, 1663862, 15806689, 31613378]

約数ペア:

[(1, 31613378), (2, 15806689), (19, 1663862), (38, 831931), (41, 771058), (82, 385529), (103, 306926), (197, 160474), (206, 153463), (394, 80237), (779, 40582), (1558, 20291), (1957, 16154), (3743, 8446), (3914, 8077), (4223, 7486)]