19907710959172

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{11467}}^1\times {\mathrm{22109}}^1$

素因数の和:33940

約数の個数: 48

約数和(自身を含む): 35483847981120

約数和(自身を除く): 15576137021948

約数列:

[1, 2, 4, 67, 134, 268, 293, 586, 1172, 11467, 19631, 22109, 22934, 39262, 44218, 45868, 78524, 88436, 768289, 1481303, 1536578, 2962606, 3073156, 3359831, 5925212, 6477937, 6719662, 12955874, 13439324, 25911748, 225108677, 253523903, 434021779, 450217354, 507047806, 868043558, 900434708, 1014095612, 1736087116, 16986101501, 33972203002, 67944406004, 74282503579, 148565007158, 297130014316, 4976927739793, 9953855479586, 19907710959172]

約数ペア:

[(1, 19907710959172), (2, 9953855479586), (4, 4976927739793), (67, 297130014316), (134, 148565007158), (268, 74282503579), (293, 67944406004), (586, 33972203002), (1172, 16986101501), (11467, 1736087116), (19631, 1014095612), (22109, 900434708), (22934, 868043558), (39262, 507047806), (44218, 450217354), (45868, 434021779), (78524, 253523903), (88436, 225108677), (768289, 25911748), (1481303, 13439324), (1536578, 12955874), (2962606, 6719662), (3073156, 6477937), (3359831, 5925212)]