19700052

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 48408192

約数和(自身を除く): 28708140

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 137, 138, 274, 276, 411, 521, 548, 822, 1042, 1563, 1644, 2084, 3126, 3151, 6252, 6302, 9453, 11983, 12604, 18906, 23966, 35949, 37812, 47932, 71377, 71898, 142754, 143796, 214131, 285508, 428262, 856524, 1641671, 3283342, 4925013, 6566684, 9850026, 19700052]

約数ペア:

[(1, 19700052), (2, 9850026), (3, 6566684), (4, 4925013), (6, 3283342), (12, 1641671), (23, 856524), (46, 428262), (69, 285508), (92, 214131), (137, 143796), (138, 142754), (274, 71898), (276, 71377), (411, 47932), (521, 37812), (548, 35949), (822, 23966), (1042, 18906), (1563, 12604), (1644, 11983), (2084, 9453), (3126, 6302), (3151, 6252)]