2157788884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 4191828480

約数和(自身を除く): 2034039596

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 191, 281, 382, 437, 529, 562, 764, 874, 1058, 1124, 1748, 2116, 3629, 4393, 5339, 6463, 7258, 8786, 10051, 10678, 12926, 14516, 17572, 20102, 21356, 25852, 40204, 53671, 83467, 101039, 107342, 122797, 148649, 166934, 202078, 214684, 245594, 297298, 333868, 404156, 491188, 594596, 1019749, 1234433, 1919741, 2039498, 2468866, 2824331, 3839482, 4078996, 4937732, 5648662, 7678964, 11297324, 23454227, 28391959, 46908454, 56783918, 93816908, 113567836, 539447221, 1078894442, 2157788884]

約数ペア:

[(1, 2157788884), (2, 1078894442), (4, 539447221), (19, 113567836), (23, 93816908), (38, 56783918), (46, 46908454), (76, 28391959), (92, 23454227), (191, 11297324), (281, 7678964), (382, 5648662), (437, 4937732), (529, 4078996), (562, 3839482), (764, 2824331), (874, 2468866), (1058, 2039498), (1124, 1919741), (1748, 1234433), (2116, 1019749), (3629, 594596), (4393, 491188), (5339, 404156), (6463, 333868), (7258, 297298), (8786, 245594), (10051, 214684), (10678, 202078), (12926, 166934), (14516, 148649), (17572, 122797), (20102, 107342), (21356, 101039), (25852, 83467), (40204, 53671)]