18809653345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{17321}}^1$

素因数の和:17446

約数の個数: 64

約数和(自身を含む): 28735119360

約数和(自身を除く): 9925466015

約数列:

[1, 5, 7, 19, 23, 35, 71, 95, 115, 133, 161, 355, 437, 497, 665, 805, 1349, 1633, 2185, 2485, 3059, 6745, 8165, 9443, 11431, 15295, 17321, 31027, 47215, 57155, 86605, 121247, 155135, 217189, 329099, 398383, 606235, 1085945, 1229791, 1645495, 1991915, 2303693, 2788681, 6148955, 7569277, 8608537, 11518465, 13943405, 23366029, 28285193, 37846385, 43042685, 52984939, 116830145, 141425965, 163562203, 197996351, 264924695, 537418667, 817811015, 989981755, 2687093335, 3761930669, 18809653345]

約数ペア:

[(1, 18809653345), (5, 3761930669), (7, 2687093335), (19, 989981755), (23, 817811015), (35, 537418667), (71, 264924695), (95, 197996351), (115, 163562203), (133, 141425965), (161, 116830145), (355, 52984939), (437, 43042685), (497, 37846385), (665, 28285193), (805, 23366029), (1349, 13943405), (1633, 11518465), (2185, 8608537), (2485, 7569277), (3059, 6148955), (6745, 2788681), (8165, 2303693), (9443, 1991915), (11431, 1645495), (15295, 1229791), (17321, 1085945), (31027, 606235), (47215, 398383), (57155, 329099), (86605, 217189), (121247, 155135)]